Hybrid cars are powered by combined fuel technologies. Learn how the Tesla Roadster or the Ford Escape hybrid technologies work and see what tax credits hybrid owners receive.
It's sleek. It's aerodynamic. It's powered entirely by hydrogen. The BMW H2R has already set nine speed records in its class. Learn all about the H2R and BMW's unique liquid-hydrogen combustion engine. See more »
The Aptera Hybrid prototype looks a little strange, but this three-wheeled vehicle promises astounding fuel efficiency. Take this quiz to test your knowledge on the Aptera.
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With consumers hungering for fuel-efficient hybrids, carmakers are pumping up their models' green reputations -- sometimes to the point of greenwashing. Could the greenest thing about your hybrid be its color?
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They may look similar from the outside. But there are many significant under-the-hood differences between an electric-powered car and a car that makes use of an internal combustion engine. How much do you know about electric cars?
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Have you been to the gas station this week? If you have, you've surely decried the expense of gasoline. But in a few years we could see cars running on compressed air.
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Most people know gasoline-powered hybrid cars provide fantastic fuel economy. When you consider that the newest diesel engines are cleaner, more powerful and reliable, wouldn't it be great if an automaker built a diesel hybrid?
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Electric vehicles have been around since the first half of the 19th century; however, until recently, no reliable, mass-producible batteries were manufactured that could make electric cars competitive with gas-powered vehicles. That's beginning to change.
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Electric vehicles, especially EVs powered by fuel cells, are a compelling alternative to gasoline-powered cars. Find out how today's electric cars work to get you where you're going without gasoline.
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What's a car without an engine? A GM Hy-wire. There's no combustion, no linkages, and it has driver controls that work like a video-game joystick. See what you could be driving in the future.
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How does a hybrid car improve your gas mileage? And more importantly, does it pollute less just because it gets better gas mileage? Learn how hybrids work, plus get tips on how to drive a hybrid car for maximum efficiency.
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Flying down the highway, a hydraulic hybrid isn't much different from a regular car. But in traffic, the vehicles can increase fuel economy 40 to 70 percent. How do they do it?
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What if you could drive across the entire United States -- from east coast to west coast -- on just one tank of gas? The Aptera prototype aims for an astounding 330 miles per gallon.
See more »It's sleek. It's aerodynamic. It's powered entirely by hydrogen. The BMW H2R has already set nine speed records in its class. Learn all about the H2R and BMW's unique liquid-hydrogen combustion engine.
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What's so unique about the latest hybrid car on the market? For starters, it's an SUV. What's more, you'd never know it's a hybrid. Check out the engineering specs and features of the Ford Escape Hybrid.
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The Tesla Roadster is fast, fancy, handles like a dream, and goes like a rocket but it's virtually silent. Tesla's first production car is also the world's first high-performance electric car.
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With the constantly fluctuating -- and sometimes skyrocketing -- price of gasoline, more people are looking into hybrid cars. How do hybrids get such great mileage?
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Don't be fooled: Even all-electric cars have a carbon footprint. How do they pollute? And how close are we to developing one that's truly a friend to the environment?
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Think your hybrid car only helps you save money at the pump? Your vehicle can also give you another break a tax break. Here's what you need to know about the IRS' new-for-2006 "Alternative Motor Vehicle Credit."
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Both hybrid and electric vehicles use battery packs to power electric motors. Some systems are capable of generating 300 volts or more. Isn't it dangerous to drive these high-voltage cars through deep puddles?
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Could the same type of battery that powers your cell phone power your car? Lithium-ion batteries are much lighter, which could amp the speed of the car. But they're certainly not cheap.
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Hybrid cars are not all fuel-sippers. Some have high performance and high prices. Most are designed for great mileage and low emissions at affordable prices. See these pictures and profiles of every 2007 hybrid model.
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