Talk:Diesel

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Contents

[edit] Requested move

A number of people have suggested this page be moved so that Diesel can redirect to Diesel (disambiguation) which opens up to Rudolf Diesel and to diesel engine and to slang usages and actors and such. Seems reasonable to me. Since nobody had opened up the process and there seems to be quite a few people behind it (and at least one seriously against it), well, here we go. --Treekids (talk) 02:04, 17 February 2008 (UTC)

  • Please make your opinions here. If necessary we'll set up a poll, but like they say, that can be devisive.--Treekids (talk) 02:06, 17 February 2008 (UTC)
  • Strongly against move. The most common usage of the term is for the fuel/engine, and it is adequately linked for other uses. A disabiguous page should only be used as a primary page when there is confusion about many different uses of the term. Javelin is a good example. To me, it means a car by AMC and a defunct brand of boat (now Stratos). To you, it might mean a long steel rod that is used to throw in the olympics first, and other uses next. Diesel, however, doesn't suffer from multiple common uses, and as such, should not be changed to a disambiguous page. When someone types in "Diesel" into the search box, the vast majority of the time, this page is exactly what they are expecting. If you made it a disambig page first, you would actually harm the system and make it require more steps to get to the most commonly referenced article, which is counter to the goal. PHARMBOY (TALK) 15:41, 19 February 2008 (UTC)

[edit] Better photo

One interesting feature about fueling a diesel vehicle in my experience is the absence of a rubbery vapor collector thing, which makes fueling easier. I guess diesel is not as volatile(?). Anyhow, it would be nice if the image of a man fueling his vehicle could show that a bit more clearly. Maybe I'll pop my camera out tomorrow... --Treekids (talk) 02:11, 17 February 2008 (UTC)

[edit] Reviewed

As part of the energy project I have assessed the article and included some suggestions here. Comments welcome. SheffGruff (talk) 18:46, 20 December 2007 (UTC)

[edit] Turn this into a redirect?

Should this become a REDIRECT Diesel engine ? JeLuF

Could this be fixed up so that the Diesel page becomes the one for disambiguation, and the content for that page goes to Diesel fuel (eliminating the redirect there)? HWDP!!

[edit] Charles Kettering

An anon removed the reference to Charles Kettering from the intro without explaining it, so I've added it back in. It's possible it is overstating Kettering's role, though - can anybody confirm this? sjorford →•← 10:50, 2 May 2005 (UTC)

Not even the homepage of the Kettering Fund says anything that justifies his name here. I'll remove it. - Alureiter 14:57, 22 November 2005 (UTC)

[edit] No citation that R. Diesel did not invent the Diesel engine

There is no citation given stating that Rudolf Diesel did not in fact invent the diesel engine. Yet the linked to wiki entry for the supposed actual inventor states "[The] vaporizing oil engine... This is a type of "surface ignition" that is distinctly different than the Diesel engine which uses the heat of compression for ignition." So is the engine he invented different or the same as the Diesel engine that was patented several years later? The whole first two paragraphs are confusing. Did Rudolf Diesel invent the Diesel engine or not? If he did not invent the engine then who did, and where is the citation/proof stating that he was not the inventor. People coming to this page are going to assume that Diesel was the inventor of the Diesel engine, to say otherwise needs to be backed up. Again, the linked to article for Herbert Akroyd Stuart does not clarify at all and the assertion that Diesel was not the true inventor of needs a citation.


How can the article state as fact that Rudolf Diesel did not invent the Diesel engine without giving a citation?? Its a major assertion and I don't see how it can remain without some primary source backing it up.

There is a plaque attesting to Stuart's invention on the site on the corner of Aylesbury Street and Denmark Street, Fenny Stratford, Milton Keynes. The site Stuart used is now a corner shop. Thomcurtis (talk) 21:05, 10 February 2008 (UTC)

  • I guess it must be true, then. ;-) --Treekids (talk) 01:41, 17 February 2008 (UTC)

[edit] Historical Questions

I have a quick question / request for reference. In the article it currently says, "Rudolf Diesel originally designed the diesel engine to use coal dust as a fuel, but oil proved more effective." This is in contrast to the story I've always been told, which was that Diesel's first engine designs were supposed to run on peanut or other vegetable oils. I don't have a source for this statement either, which is why I'm not going to change anything, but I wondered if someone could clarify and substantiate one side or the other. -Kadin2048 13:30, 26 April 2006 (UTC)

[edit] Chemical properties

Diesel fuel chemically? -- Joonas

I was wondering the same thing so I googled for it. I found this which appears to be reliable, but I was unsure if I could just quote it all. Compiling the information is a work of the US government (specifically the Agency for Toxic Substances and Disease Registry), but the data specifically comes from the IARC, which is part of the World Health Organization, so it may be copyrighted. Can anyone shed any light on that? I'd like to include the data from table 3-2 and 3-3 specifically. - Taxman Talk 18:07, Jun 8, 2005 (UTC)

Under the heading "Chemical composition" the article states "The average chemical formula for common diesel fuel is C12H23, ranging from approx. C10H20 to C15H28." This statement has at least two interpretations: First, that all of the molecules in diesel fuel fall in this range. This interpretation is reasonable based on the English language, but cannot be correct, because the article says that diesel includes non-cyclo paraffins, which have a composition of CnH2n+2, so the high end of the range would be expected to be C15H32 rather than C15H28. A second interpretation is that the range given in the article is the range of the average molecule per sample, across all of the world's diesel fuel samples. If that is the intended meaning, the article should be rewritten to compel this meaning unambiguously, perhaps something like this: "The average chemical formula for common diesel fuel is typically about C12H23, but different samples have chemical formula averages ranging from approx. C10H20 to C15H28." Anomalocaris (talk) 22:23, 21 May 2008 (UTC)

As you pointed out your first interpretation can't be right, and I don't see how it comes from what the article states anyway. Ranging from approx x to x means some constituents can be higher or lower than that approximate range. Approximate doesn't translate to all falling in that range. And I do think that range refers to the constituent molecules, not the average as in your rewritten sentence, but as above I couldn't find a good source on it and I'm not a chemist. One could verify which is true by looking at approximate melting points or other physical characteristics such as gel point, etc. and I think you'd find that a mixture of hydrocarbons with a chemical formula average of C15H28 for example would not have the properties of diesel fuel. I'm almost certain that is the case because if you go up that many carbons in the average, you'll have radically different physical properties. So as I understand it the sentence would be more accurate as something like: "The average chemical formula for common diesel fuel is C12H23, with constituent molecules ranging from approx. C10H20 to C15H28." But one would need a reliable source and input from someone more knowledgeable than I to be sure. - Taxman Talk 02:13, 22 May 2008 (UTC)

[edit] Article name

Why isn't this called Diesel (fuel) or some such? Then wikis could go diesel engine, or diesel fuel as necessary. GraemeLeggett 10:19, 20 Jun 2005 (UTC)

Yeah, if not here, the best name would be Diesel (fuel), but I don't see the major need. If someone is looking for something diesel related they see the engine article and Rudolph Diesel's article right in the first sentence. - Taxman Talk 12:23, Jun 20, 2005 (UTC)
  • Rudolph would be rolling in his grave if he knew his name was being used exclusively for petrodiesel fuel! He designed his engine to run on peanut oil! This really should be a disambiguation page. And biodiesel should be given equal billing to the petro version. --Treekids (talk) 01:43, 17 February 2008 (UTC)

[edit] E-Diesel

E-Diesel is a blend of ethanol & diesel and should be mentioned in this article. Check it out: [1]

Hmm, just an opinion, but seems like just another measure by the corn and ethanol lobby to promote their product. E-diesel, according to their website, has a much lower flash point than diesel, can't be used in a mixture higher than 15% ethanol, requires an additive to keep it from separating out of the mixture, and lowers the energy content and fuel efficiency. I'm still looking for a benefit that isn't already better in biodiesel. Well maybe the cold flow properties, and maybe it could be used to improve that for biodiesel, but the additive e-diesel requires doesn't seem like it could be cheap to make. Notwithstanding my opinion, it should be covered if it is reasonably important. I didn't see any information on that website that shows it has made it anywhere beyond the laboratory. If there was some information available on how much of it is actually used, price, etc, then maybe we'd have something. - Taxman Talk July 5, 2005 17:18 (UTC)

DIESEL

There is a mention of a blend of 95% ethanol and 5% petrol being a replacement for diesel under the Synthetic Diesel section. Surely someone posted that as some kind of a joke, since I'm sure it will not work. If you're lucky, the engine won't start and all you will have destroyed is the lift pump and maybe your injection pump. I have not actually tried this mixture in my diesel (nor do I intend to) but I'm pretty sure that it would cause rapid and destructive coking of the injectors and pre-chamber (as well as the preglow plugs, I would think) not to mention the destruction of any pumps and other fuel system parts dependent on the lubricity of diesel oil. This seems like dangerously inaccurate information and, unless it can be backed up by credible info and tests, should be removed. --Diesel220 03:37, 26 November 2005 (UTC)

I'm inclined to agree, so I removed it. If someone can substantiate the material it can go back in, but not without a quality source to verify it. Don't be too scared to remove dubious material that has no source as long as you note it on the talk page. Wrong information is worse than no information, and if it is correct, it could easily be replaced. - Taxman Talk 14:41, 28 November 2005 (UTC)
  • Wikipedia is a victim of its own success if people take advice like this seriously. Wow. --Treekids (talk) 01:45, 17 February 2008 (UTC)

[edit] Grades

An explanation of the differences between diesel A and diesel B would be useful. Jzylstra Aug 5, 2005


A definition of #1 and #2 diesel fuel and info on their gelling point should be added.Wilsonbond 18:45, 15 September 2006 (UTC)

[edit] Similarity to Heating Oil

Is it the same or not? This article says that it is distilled similarly then later that they are the same.

I have always understood them to be functionally identical, the only difference being the dye that marks the fuel as not taxed for road use. The diesel sold at fuel docks(marine fuel) and sold for off road use(heavy equipment, etc.) is identical (including the red dye) to heating oil. If this can be confirmed it seems that section should be edited.

  • As I understand it, it's a one-way relationship: you can use motor diesel (ASTM std) in heating and boating applications, but that a lower grade bunker fuel is usually used in furnaces and large marine diesel engines because they are not as "picky" about their fuel. --Treekids (talk) 01:48, 17 February 2008 (UTC)

[edit] diesel exhaust smell

I put in this line:-
Diesel engines are notorious for exhaust smell.
and User:Alureiter deleted it: (Revert, a modern diesel car's exhaust doesn't smell any different to gasoline cars). But I beg to differ: I have motorcycled near or behind or past enough diesel buses and lorries/trucks, and diesel exhaust smells the same as it always did. Ditto when I have been on diesel water craft about 100 feet long. On a motorcycle I can't wind the windows up when there is a smell nearby. Anthony Appleyard 23:12, 10 December 2005 (UTC)

Fine, but CITE AN OBJECTIVE SOURCE. 76.190.222.115 01:55, 15 September 2007 (UTC)

  • I think motor vehicles now use ULSD in most insdustrial nations, which should smell "better" (low sulpher), but large ships use bunker fuel which is trully noxious- in California they are talking about banning huge container ships and tankers from using it, especially after the Bay Bridge Oil Spill. Personally, my diesel smells OK: they tell me it's B99 biodiesel made from virgin soy- it doesn't even smell like french fries. Where can I get a diesel motorcycle? But I digress... --Treekids (talk) 01:52, 17 February 2008 (UTC)
If you are serious, try Enfield. They did one for a while which was rumoured to get in the region of 200mpg, although not very fast.92.0.125.201 (talk) 00:42, 31 May 2008 (UTC)Lance Tyrell

[edit] Diesel Slang

I have heard the word Diesel many times used in slang to describe someone as strong, musclar, etc generally a person who is larger and is considered to be hardworking or unstoppable, example being an American Football player, especally a lineman for either side, fullback or linebacker. Also I have found Diesel Dyke used to refur to a especally "butch" lesbian. additional sources [2] [3]

  • Yet another reason this should be a disambig page and not a synonym for petrodiesel fuel. --Treekids (talk) 01:55, 17 February 2008 (UTC)

[edit] where can i find an equation for diesel fuel

[edit] why in the UK is diesel SO expensive?

is it because we tax it so much or is it because our diesel is so refined and pure (it's colourless) that it costs a little more to produced compared to unleadef octane 95 petrol?

I refer ofcourse to car diesel: not diesel buses use which in my city - is frankly liquid bituman

It is expensive because the refineries in Europe cannot be altered to produce more diesel and less gasoline - they have to produce a set amount of both. In other words, lets say a refinery can turn 3 barrels of crude oil into 1 barrel of gasoline, 1 barrel of diesel, and 1 barrel of other products. In Europe, if a refiner wants to make 1000000 barrels of diesel, it would have no choice but to make 1000000 barrels of gasoline. The American refineries are more flexible, which lets them produce more diesel on demand, and less gasoline. What has happened is that Europe has to produce too much gasoline to try to meet their diesel needs, and the gasoline is then exported to the United States. This makes the cost of gasoline in the United States lower, because Europe has no choice but to drop the price of gasoline until someone will take it from them. Then the United States makes more diesel to meet the rest of Europe's needs, but since this is demand driven instead of supply driven, the American refineries can set their price higher, and it increases the cost of diesel in Europe. Also there are extensive taxes, etc, and it takes more oil to produce a set amount of diesel than the same amount of gasoline. However, because of the bigger energy content of diesel, this is mitigated by the increase in fuel efficiency. The fact that Europe uses ultra low sulfur diesel (ULSD) does not strongly impact the price - sulphur extraction is relatively easy. The only problem might be that an additive has to be put in to increase the lubricity of the diesel fuel. I don't know which one Europe uses, but it is probably biodiesel, which would not increase the price significantly. (I work as an energy analyst) --Ignignot 17:33, 27 March 2006 (UTC)
In fact it is more to do with the fact that the government takes about 60% of the cost at the pump in taxes. I can buy bottles of vegetable oil at my supermarket for less than half the price and dump it straight into the tank. (Smells better too)92.0.125.201 (talk) 00:45, 31 May 2008 (UTC)Lance Tyrell

Blonde2max 19:24, 6 April 2006 (UTC) But on the continent diesel is far cheaper than petrol. it's just the UK thats getting ripped off again

Not everywhere on the continent - Diesel is more expensive then petrol in Switzerland - AFAIK this is due to Tax. 81.221.177.166 18:08, 25 September 2006 (UTC)

[edit] Diesels produce less CO2 them petrol engines for each mile traveled.

[4] [5]

And that's not dificult to see. Diesel engines are more efficient than gasoline (petrol) engines of the same power, resulting in lower fuel consumption. A common margin is 40% more miles per gallon for an efficient turbodiesel. It's 40% less gallons you burn. Take CO2 pollution: 22 pounds/gallon * 0,4 = 8.8 pounds/gallon became less than the petrol's engine 19.4 pounds/gallon. The Statement: "In other words, a petrodiesel powered engine must have greater than 15% more fuel efficiency than a petrol engine in order to reduce greenhouse gas emissions." It's a false statement. I'm removing it.

83.240.180.157 03:00, 25 August 2006 (UTC)John Arau --83.240.180.157 03:00, 25 August 2006 (UTC)

Just to correct your arithmetic here, an advantage of 40% more miles per gallon corresponds to 28.57% less fuel per mile. 1 - 1/1.4 = 0.2857... For example, if a gasoline car gets 25 miles per gallon and a comparable turbodiesel gets 25 * 1.4 = 35 miles per gallon, then a trip of 175 miles would consume 175/25 = 7 gallons of gasoline but only 175/35 = 5 gallons of diesel. It is true that 7 gallons is 40% more than 5 gallons, but 5 gallons is not 40% less than 7 gallons; 5 gallons is (7-5)/7 = 2/7 = 28.57% less than 7 gallons. Anomalocaris (talk) 22:06, 21 May 2008 (UTC)

[edit] it's Red Diesel in the US too

"In the United Kingdom it is known as red diesel"

According to my Automotive Technology teacher, the untaxed agricultural diesel in the United States is also called "Red Diesel"

Can anyone else confirm this?

--MercenaryKris23 07:10, 31 August 2006 (UTC)

In the U.S. "Red Diesel" is a term commonly used in the fuel stream, and it refers to Diesel Fuel used for non-taxable purposes, such as in non-road equipment and vehicles (including tractors, cranes, generators, etc). In the fuel market, "clear diesel" is used to describe TAXABLE diesel for on-road use. The IRS requires the red dye marker in order to make the difference clear. --Jcollura 04:42, 10 May 2007 (UTC)

[edit] lpg blent with diesel

lpg blent with diesel used in oilotors such as in agri

[edit] Removed phrase

I removed the phrase "In the United States, the color green has become associated with the fuel and is commonly used on fuel pumps and labels." from the first paragraph, as if we are going to list what colours the pumps are in the US, we'll have to do it for every other country in its own section. I suggets if someone wants to put it back in, that they place it elsewhere in the article. Mouse Nightshirt 13:18, 24 September 2006 (UTC)

[edit] 'synthetic diesel'

I haven't edited anything previously and don't know how, so I hope someone with the requisite knowledge will edit out the unnecessary bad language in the 'synthetic diesel' section.

welcome. a great place to start is Frequently Asked Questions and Getting started. Hopfully you will create an account and stay for a while. Hu12 05:07, 17 November 2006 (UTC)

[edit] Miss directed

I believe this page is missdirected.

First of all, when the diese cycle was invented, there was no such thing on the market as "diesel fuel" (evidently). So whenever someone browses wikipedia for diesel without specifying anything else I believe the user should be directed differently.

The most important aspect, would be the diesel cycle (refering to the thermodynamical cycle) which gives name to the fuel known as diesel.

Items on the disambiguation page should link to

Rudolph Diesel (Inventor of the Diesel Cycle

Diesel (fuel)

This is very important since otherwise this article is very misleading. The fuel known as diesel was called that after petrol companies decided to market one of their products aimed to the invention by Rudolph Diesel. The thermodynamical cycle, does NOT require this fuel to run on. Technically, it would be more accurate to refer diesel to biodiesel since this second option is more related to the original fuel utilized when the cycle was invented. It would still be wrong though since the main aspect is the thermodynamical cycle which has the flexibility to run on one or another fuel. I have no refenrences for this, but I believe most of this is common knowledge and if someone has the time to assign references to it, that would be great.

But I do strongly believe that the article as directed today is VERY misleading, specially to people not familiar with the subject.

Orgoca 18:25, 7 December 2006 (UTC)Carlos Ortiz (orgoca@gmail.com)

[edit] Japan

Apparently, here in Japan, diesel cars/pumps are in the "being phased out" stage.
138.243.228.52 08:25, 8 December 2006 (UTC)

[edit] Redirect

I posted the missdirected blog a while ago and I have no responses yet. So unless someone has arguments against me not doing so, I will redirect diesel as I stated above. I will do so in a month time from now to give time to anyone that might have an objection or suggestion about it to make it public. Orgoca 18:14, 20 December 2006 (UTC) "Look up on misdirected blog"

[edit] Rudolf Diesel

Someone messed up Rudolf Diesel by writing comments into that article instead of correcting it. --Espoo 01:35, 23 December 2006 (UTC)

[edit] Additives - subsection required

Having had to give up refuelling my car today due to excessive foaming as the fuel entered the tank (pump kept cutting out), came here (via diesel fuel) to find out about why diesel fuel is prone to foam, and about anti-foaming agents added to the fuel.

There's nothing here!

Now I know absolutely nothing about the subject, so any content added would be very high-level. Could someone more knowledgeable add something please? Need to cover: why additives may be required; what additives are used; how the additives work; side-effects; environmental issues; etc.

To help out, I have found an extremely good website page, from Automotive Engineering Online. The page specifically covers the testing of additives, but, out of necessity, also describes what many of them are and what they do.

(Apologies for excessive use of italics... :o) )

EdJogg 10:53, 22 January 2007 (UTC)

[edit] Products of diesel combustion

I am disappointed to see a real lack of information in this article about the extremely and acutely harmful products produced by diesel combustion in comparison to petroleum.

The high aromatic content of diesel, along with high sulphur content, produces many extremely harmful chemicals on combustion, such as benzo(a)pyrene which have a direct and vast effect in urban areas, primarily to human health.

Is there anyone out there with a high enough understanding of diesel combustion to add this to the article?

For years it has annoyed me that diesel has been encouraged as a fuel in order to aide the reduction of CO2 emmisions and therefore aide the statistics which governments spew upon us. Diesel emmisions may have a lower CO2 output per unit energy, but some of it's byproducts of combustion are scarily dangerous and vastly understated. —The preceding unsigned comment was added by 86.145.107.239 (talk) 15:18, 20 February 2007 (UTC).

[edit] Cite a 1930 road trip?

The article says

The very first diesel-engine automobile trip was completed on 6 January 1930. The trip was from Indianapolis to New York City, a distance of nearly 1300 km. This feat helped to prove the usefulness of the internal combustion engine.

but this seems dubious. By 1930 the internal combustion engine seems proven (millions of Ford's Model Ts were produced from 1908 to 1927). Either the date or its significance seems wrong Wendell 02:28, 14 March 2007 (UTC)

[edit] Taxation

The entry on taxation includes the sentences "In Europe, the United States and Canada, taxes on diesel fuel are higher than on heating oil due to the fuel tax, .... Similarly, "untaxed" diesel is available in the United States, which is available for use primarily in agricultural applications such as for tractor fuel." While taxation varies from state to state and province to province, in Ontario, Canada, we refer to at least part of this tax as the "road tax". Not only farmers but construction firms and no doubt mining firms are able to purchase dyed fuel for off-road use. I question whether the "agricultural applications" referred to are so pre-eminent that the omission of the other sectors of the economy is justified. ```` —The preceding unsigned comment was added by 74.113.169.140 (talk) 01:14, 2 April 2007 (UTC).

[edit] diesel and water

Christophermurimi 18:35, 7 April 2007 (UTC)christophermurimiChristophermurimi 18:35, 7 April 2007 (UTC)What happens when mixed with water if diesel and water is not 100% immisible?

[edit] Rename Article to "Diesel Fuel"

This article should be renamed "Diesel Fuel." I mean, what is this article about? Is it about Rudolg Diesel? Is it about Diesel Engine vehicles? By changing the name, it will be clear to the reader that the subject of the article is Diesel Fuel, and not any other subject (that is written about extensively elsewhere in wiki. --Jcollura 12:07, 10 May 2007 (UTC)

I concur. 76.167.124.179 00:14, 13 May 2007 (UTC)

[edit] Biodiesel/Straight Vegetable Oil confusion

Under the "Biodiesel" heading, there's a small paragraph describing straight vegetable oil for diesel-engine use without calling it out as such. I think this should be struck, or at least called out as "straight vegetable oil" rather than "biodiesel". —The preceding unsigned comment was added by 76.167.124.179 (talk) 00:19, 13 May 2007 (UTC).


[edit] How much diesel vs gas can one refine from a barrel of oil?

seems to be an important factor missing in the discussion? at optimal efficiency what is the resulting product spread between diesel/unleaded gas from a barrel of oil? as far as i know it takes more oil to make diesel?

[edit] Comparative CO2 emissions

I think that the phrase "While diesel's 15% higher volumetric energy density results in 15% higher greenhouse gas emissions per liter compared to gasoline" is incorrect. Surely what is meant is that the higher specific density of diesel leads to higher CO2 emissions, from the simple fact that there is more carbon per litre to make CO2 out of. The higher volumetric energy density is the mitigating effect that leads to an overall decrease in CO2 per vehicle mile. I have edited the article to reflect my interpretation. 136.8.152.13 12:19, 4 September 2007 (UTC)

[edit] Locomotives

There is exactly one mention, in passing, in this article of diesel locomotives. Surely they deserve a paragraph, or at least a link to Diesel locomotive. - Jmabel | Talk 05:31, 14 September 2007 (UTC)

But more interestingly the locomotives are not diesel, the are electric with diesel generators. 76.190.222.115 01:53, 15 September 2007 (UTC)

[edit] identification of diesel

I think a section on the identification of diesel should be added. This would include information such as the standard of using yellow gas jugs to transport and identify diesel. 76.190.222.115 01:52, 15 September 2007 (UTC)

As far as I can tell, "yellow gas jugs" refers to a plastic fuel container of about a gallon/5 litres. I would recommend against adding the information here as you'd need to include the standard (if any) for every country, although it might useful as an article in it's own right which this one could link to. Sarky Git 13:59, 26 September 2007 (UTC)

[edit] Diegaso

What is diegaso? . --82.159.136.215 13:13, 24 September 2007 (UTC)

[edit] Request addition of new link

I request the addition of a link to: http://cta.ornl.gov/data/Index.shtml - the online version of the "Transportation Energy Data Book - Edition 26" , prepared by Oak Ridge National Laboratory (ORNL) for the Office of Planning, Budget and Analysis in the Office of Energy Efficiency and Renewable Energy of the U.S. Department of Energy.

To quote from the description, ...The major purposes of the data book were to draw together, under one cover, transportation data from diverse sources, to resolve data conflicts and inconsistencies, and to produce a comprehensive document...

Syrenab (talk) 20:07, 18 May 2008 (UTC)

[edit] Eight-year history of Dieslel Prices in the U.S.

Worth adding? Yes? No?

http://www.freightcostreduction.net/diesel-fuel-prices/ —Preceding unsigned comment added by 65.103.249.13 (talk) 21:50, 19 May 2008 (UTC)

Yes, I think its worth adding, we could subordinate the section "Taxation" to a new section titled "Fuel prices". Here are some useful links:
I don't think the price of diesel was serious tracked before 2002—it was still cheap then—so that can complicate things a bit. ChyranandChloe (talk) 14:20, 21 May 2008 (UTC)

[edit] Addition of external link

I was wondering if an external link to the Got TDI? website Got TDI? would be pertinent to the diesel wiki entry. GotTDI.com provides a quick and easy search to find or sell a diesel Volkswagen in your area. —Preceding unsigned comment added by Bourea (talk • contribs) 13:27, 25 September 2008 (UTC)

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