Consumers are still paying a premium in the showrooms on new technologies. Keep reading to learn about the greenest cars on the market. See more »

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? See more »

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. See more »

There’s a lot of buzz these days about electric vehicles, as years of prototypes and waiting at last give way to cars like the Chevy Volt and the Toyota Prius. But if gasoline is no longer king, is there room for solar power in the auto industry? See more »

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. See more »

Faced with rising gasoline costs, automakers worldwide are working overtime to improve fuel economy while meeting strict emissions requirements. One promising way is to add hydrogen to the fuel/air mixture in a conventional gasoline engine. See more »

Want to drive an E85 vehicle but don't know which automakers make E85 ethanol flex fuel vehicles? Our guide to E85 vehicles will tell you which ones are compatible and whether or not a flex-fuel vehicle is right for you. See more »

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? See more »

Fossil fuels (like gasoline and diesel) are running out and getting a bad rap for nasty tailpipe emissions -- and rightly so. Learn more about how green are automotive lithium-ion batteries. See more »

Most automobiles on the market today have lead-acid batteries under the hood. Learn more about the difference about electric car batteries. See more »