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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.


After Volkswagen: Where Does Diesel Go From Here?

Has the Volkswagen diesel scandal soiled clean diesel’s reputation beyond repair?

How Formula E Will Work

Watching a field of Formula E race cars circle a racetrack is going to require some adjustment on the part of the spectators. Why? Because they're quiet. Chirping-crickets quiet.

Can the U.S. Navy turn seawater into jet fuel?

The U.S. Navy says it could make about 100,000 gallons (378,541 liters) of JP-5 jet fuel each day using ocean water. But how long will it be before the Navy's plan is plausible?

Can ethanol damage your engine?

Specially engineered Flexible Fuel Vehicles (FFVs) can tolerate an E85 mixture of gasoline and ethanol. But will ordinary cars and trucks be able to stand up to the new blend?

How Carbon-neutral E-fuels Work

For a while, many of us imagined the possibilities: streets full of zero-emission electric vehicles (EVs). But the EV concept has suffered from a certain fragility, and some companies have shifted strategies. Let's talk about a few of them.

Are electric cars a failed experiment?

Electric vehicles have been around, off and on, for more than 100 years -- and this time around, they're failing to meet sales projections. Is it still too soon to write them off for good?

How Plant-microbial Fuel Cells Work

What if we could derive energy from crops without killing them or generate power using plants and land not needed for food, all through the power of microbes? Meet the newest, greenest "power plant."

Does hydrogen destroy metals?

Got your eye on a hydrogen-powered vehicle? The energy of the future comes with some baggage, including an uncanny ability to migrate through metals. Here's what you need to know.

Is there a future for steam-powered, super-efficient cars?

In the future, all of us will own flying cars. Oh, wait -- that's "The Jetsons." Our views of future transportation are a little more realistic, but cars will increasingly use electric power, reducing our dependence on fossil fuels. Right?

Natural Gas Vehicles: A Clean Alternative

Gasoline, everyone knows, is a polluting, volatile source for fuel. Still, the vast majority of vehicles around the world depend on it.