How Air-Powered Cars Will Work

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.

How Electric Cars Work

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.

How GMs Hy-wire Works

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.

How Hybrid Cars Work

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.

How Hydraulic Hybrids Work

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?

How the Aptera Hybrid Works

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.

How the BMW H2R Works

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.

How the Ford Escape Hybrid Works

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.

How the Hydrogen Economy Works

With fossil fuels in limited supply, the ever-increasing consumption of this commodity causes problems ranging from global warming to dependence on outside oil sources. Hydrogen is a possible fix, and the technology to take advantage of it is already out there. Find out the benefits of and hurdles facing a hydrogen economy.

How the Tesla Roadster Works

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.

Understanding 2006 Hybrid Car Tax Credits

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."

2007 Hybrid Car Pictures

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.

How Plug-In Hybrid Cars Work

Looking for ways to further improve fuel-economy, manufacturers are exploring enhancements to the basic hybrid concept. One promising avenue is the plug-in hybrid car. Learn all about plug-in hybrid cars including their many benefits.

How does a hybrid car work?

We are all familiar with gasoline-powered cars, and most people have heard about or seen electric cars. So what exactly is a hybrid car?

Hybrid Car Pictures