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.
Loading more content
Can You Be Allergic to Your City?
The Upside of Anger: It's a Strong Emotion, But Not Always a Bad One
Relying on GPS Prevents Parts of Your Brain From Activating
See More Headlines »