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Fuel Sipper Smackdown 3 We take four fuel-sipping SUVs (and one alternative) on a road trip to Las Vegas to see what kind of fuel economy you can expect from each. Read more

Fuel Sipper Smackdown 2 Which green car gets the best fuel economy? And which is the best for you?

2010 Mercedes-Benz GL Class Diesel "Break-Even" Is Shorter Than Hybrids The premium you pay for a diesel vehicle is paid back by low fuel prices in a shorter time than required for hybrid vehicles.

What Is a Hybrid Car? How Do Hybrids Work? What is regenerative braking? How can a hybrid engine affect your air conditioning? We demystify the technical jargon. Read more

Toyota Prius vs. Honda Insight Tech The 2010 Prius V and 2010 Honda Insight EX with Navigation share similar styling, but when loaded with options, they vary widely in price and tech features.

Test Drive: 2010 Ford Fusion Hybrid When it comes to hybrids, there are remarkably few options that acknowledge that some people would like to enjoy the driving experience and get good fuel economy.

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Alternative Fuel Better Place's Battery Exchange Charges Ahead A Flawless Demonstration Advances the Vision of an Electric Vehicle Future. Read more

Ethanol? Fuel Cell? Biodiesel? What's all the excitement about alternative fuel?

E85 vs. Gasoline Test: Running on Alcohol Fumes Is E85 the panacea promoters say it is?

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Measure Your Driving Dollars With a Fuel Economy Meter Adding an aftermarket fuel economy meter to your car can help you change your driving habits to save gas, money and the environment. Read more

The Truth About Fuel Consumption Fuel economy's dirty little secret is that viewing cars in terms of miles per gallon gives a distorted view of how to achieve fuel savings.

Fuel-Sipper Smackdown 3 The Edmunds.com team takes four fuel-sipping SUVs (and one alternative) on a road trip to Las Vegas to see what kind of fuel economy you can expect from each.

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