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What is biodiesel?
Biodiesel is the name of a clean burning alternative fuel, produced from domestic, renewable resources. Biodiesel contains no petroleum, but it can be blended at any level with petroleum diesel to create a biodiesel blend. It can be used in compression-ignition (diesel) engines with little or no modifications. Biodiesel is simple to use, biodegradable, nontoxic, and essentially free of sulfur and aromatics.
How is biodiesel made?
Biodiesel is made through a chemical process called transesterification whereby the glycerin is separated from the fat or vegetable oil. The process leaves behind two products -- methyl esters (the chemical name for biodiesel) and glycerin (a valuable byproduct usually sold to be used in soaps and other products).
Originally posted by FredT
If you mean the US, alot of reasons:
Diesel is more expensive than gas. You may get better mpg, but the psychological fator is not to be underestimated
Very few diesels on the market here
While promising, its still considered (Remember we are talking about preception and psychology here) a fringe technology. The closest anaology I can think of is the average Windows user. Sure a Linux box is more dependable etc, but the preception is that it a "For Geeks Only" OS
Lack of a diesel infrastructure once you get off the main highway system. Have you ever tried to buy diesel in a suburban area?
Originally posted by factfinder38
Think about the amount of crops and crop land it will take to produce enough of the biodeisel to supply even a small precentage of the country. To every action there is a reaction and this would influance all food prices and lessen our excess grains form going to poor starving people.