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.
Soybean byproducts are nutritious and healthy. They can also power a car. Find out how soybean and other plant oils as well as animal fats are used to create the environmentally friendly fuel biodiesel. See more »
These five ideas for alternative fuel range from the outlandish, to some that may even be possible someday. If nothing else, at least they're entertaining.
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The search for alternative fuel is on. Could a pocket-sized version of a nuclear power plant make your car run 5,000 miles (8,047 kilometers) between fill-ups?
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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.
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What do vegetable oil, corn and salt water have in common? They're all potential fuel sources for our cars. See how much you know about the next generation of biofuels in our Biofuel Quiz.
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Fuel cells are still pricier than even premium-grade gas -- do you know why? Test your fuel cell know-how in this quiz and learn some cool fuel cell facts along the way.
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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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Fuel cells and hydrogen power offer many benefits, but there are dangers as well. Put on your protective gear and find out how much you know about hydrogen fuel's dangers (or lack thereof) in this quiz.
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There may be "water, water everywhere and not a drop to drink," but what if you could substitute seawater for gasoline? It's a little like alchemy, but could it work?
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Can we use grass to power our cars? Proponents of cellulosic ethanol made from switchgrass think we can. Others fear we'll stop growing food to grow fuel.
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Soybean byproducts are nutritious and healthy. They can also power a car. Find out how soybean and other plant oils as well as animal fats are used to create the environmentally friendly fuel biodiesel.
See more »
Corn distilled into ethanol and mixed with gasoline is used to create E85. Each gallon of E85 consists of 85 percent ethanol and 15 percent gasoline. Learn the pros and cons of this new fuel.
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Why are governments, private businesses, and academic institutions collaborating to research develop and produce fuel cells? Learn how fuel cells work and how efficient they really are.
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You probably know it as the stuff that fuels a gas grill or a Zippo lighter, but that's just the beginning. People are modifying cars to run on the stuff. Learn all about liquefied petroleum gas.
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I've heard that it's possible to build a car engine to run off of ethanol, a byproduct of corn. How much corn would I need to grow in order to produce enough ethanol fuel to drive my car across the country?
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As gasoline prices soar and concern over harmful emission mounts, cars that run on alternate fuel sources are becoming increasingly popular. Natural-gas vehicles (or NGVs) are fuel-efficient, environmentally friendly and offer a relatively low cost of ownership.
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When oil is expensive, contentious and scarce, fuel made from corn or cane starts to look pretty smart -- economically and environmentally. But not everyone sees it that way.
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Hydrogen proponents tout the energy efficiency and relative ease of producing this alternative fuel. Its opponents want us to remember the Hindenburg.
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You may have recently heard a certain oil company touting the fact that they sell nitrogen-enriched gasoline. But is nitrogen-enriched gasoline truly anything to get excited about? Does it really work?
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Hydrogen-powered fuel cells are already on the streets in some parts of the world. They're powered by the most abundant element in the universe and produce zero tailpipe emissions. Are fuel cells a good solution?
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Did you know hydrogen-powered fuel cells are hitting the streets in some parts of the world? They're powered by the most abundant element in the universe and produce zero emissions. But are they dangerous?
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