ALTERNATIVE FUELS

Alternative fuels include biodiesel and hydrogen. Alternative fuels are important because they could eventually provide us with a cheaper, cleaner, and more abundant source of fuel. Check out these great alternative fuel articles from HowStuffWorks.

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How Liquefied Petroleum Gas Works

You probably know it as the stuff that fuels a gas grill or a Zippo lighter, but that's just the beginning. People are modifying cars to run on the stuff. Learn all about liquefied petroleum gas.

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