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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Are electric cars a failed experiment?

Electric vehicles have been around, off and on, for more than 100 years -- and this time around, they're failing to meet sales projections. Is it still too soon to write them off for good?

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