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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Car Smarts: Hydrogen-powered Vehicles

Hydrogen-powered vehicles may be the wave of the future, but do you know why? Test your knowledge of this extremely light, clean-burning fuel source with the hydrogen-powered vehicle quiz.

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