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Frequently Asked Questions – Diesel
Questions About Diesel...
How do I calculate/find diesel fuel surcharges?
Why are diesel fuel prices higher than gasoline prices? 
What are the products and uses of petroleum?
 
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Visit our Petroleum Basics 101 page to learn about diesel and other petroleum-based fuels.

Textbook titled Petroleum Basics 101
 
 
Question: How do I calculate/find diesel fuel surcharges?

The Energy Information Administration does not calculate, assess, or regulate diesel fuel surcharges.

Fuel surcharges are negotiated privately by the shipper and the trucking company.
EIA collects and disseminates weekly retail diesel fuel price data. Many shippers and truckers use that weekly retail price information in their fuel pricing formulas.

Learn More: EIA weekly diesel fuel price data: “Weekly Retail On-Highway Diesel Prices”
Last Reviewed: April 17, 2008
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Question: Why are diesel fuel prices higher than gasoline prices?

Historically, the average price of on-highway diesel fuel was usually lower than or close to the price of regular gasoline. In some cold winters demand for distillate heating oil pushed diesel fuel prices higher. Since September 2004, diesel prices have been higher than regular gasoline prices almost continuously for several reasons:

High worldwide demand for diesel fuel and other distillate fuel oils, especially in Europe, China, India and the United States, and a tight global refining capacity available to meet demand.
The transition to lower-sulfur diesel fuels in the United States is affecting diesel fuel production and distribution costs.
The Federal excise tax on on-highway diesel fuel is 6 cents per gallon higher (at 24.4 cents/gallon) than the tax on gasoline.
Learn More: Diesel Fuel Prices: What Consumers Should Know
Last updated: March 19, 2008
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Question: What are the products and uses of petroleum?

The most common products from petroleum are energy products: gasoline, heating oil, and diesel fuel. Other petroleum products are: ink, crayons, bubble gum, dishwashing liquids, deodorant, eyeglasses, records, tires, ammonia, and heart valves.

A barrel of oil yields these refined products (percent of barrel):

47% gasoline for use in automobiles
23% heating oil and diesel fuel
18% other products, which includes petrochemical feedstock—products derived from petroleum principally for the manufacturing  of chemicals, synthetic rubber and plastics
10% jet fuel
4% propane
3% asphalt
(Percentages equal more than 100 because of an approximately 5% processing gain from refining.)
Learn More: Products made from oil
Last reviewed: April 17, 2008
 
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