The biodiesel quiz will test your knowledge about biodiesel components, biofuel history and biodiesel pros and cons. Take the quiz and see how much you know about how biodiesel works.
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.
When people refer to "nitro-burning funny cars" and "top-fuel dragsters" what are they talking about? What is "top fuel" and how is it different from gasoline? See more »
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