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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10 Alternative Fuel Ideas That Never Made It Out of the Lab

You might be surprised by some of the alternative fuels mentioned here. Which of these ideas are pure crank science, and which have a real chance to change the world?

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