A Driver’s Guide to Fuel Economy

  • 10 Real Ways to Save Fuel
  • Fuel Consumption per 100 Miles
  • MPGe vs. MPG
  • Kilowatt-hours per 100 Miles
How to Curb Your Fuel Consumption
Top 10 Green Driving Tips

Let's face it: Gas will never go on sale, but there are ways to save. What 10 things can you do to make your driving (and lifestyle) a little greener?

Windows down or A/C on -- which is more fuel-efficient?

Most of us have been told that driving with the air conditioner switched on uses a lot more fuel than simply rolling the windows down to cool off. But is that always true?

10 Fuel-saving Device Hoaxes

For as long as we've complained about gas prices, there's been an army of inventors offering devices to stretch our mileage further. But which ones work and which are hoaxes?

How E85 Ethanol Flex Fuel Works

Corn distilled into ethanol and mixed with gasoline is used to create E85. Each gallon of E85 consists of 85 percent ethanol and 15 percent gasoline. Learn the pros and cons of this fuel.

How Fuel Cells Work

Why are governments, private businesses and academic institutions collaborating to research develop and produce fuel cells? Learn how fuel cells work and how efficient they really are.

10 Top Selling Hybrid Cars

You've probably noticed more and more hybrids on the road lately. Most major car makers now offer hybrid models -- but which ones do consumers prefer?

How Gas Prices Work

Gas is the bloodline that keeps America moving, and tracking prices can feel like a roller coaster ride. They're down one month, up the next, before climbing more than 50 percent in a year.

How the Air Car Works

As gasoline continues to lose its cachet as a reliable energy source, auto manufacturers have started to turn toward cleaner-burning fuels. However, they're still trying to figure out how to use the cleanest fuel of all -- the air we breathe.

How can solar panels power a car?

On a hot day, you could practically singe your fingers on your car's steering wheel. What if all that heat could be leveraged to power its engine? Well, it'd be a free ride.

What speed should I drive to get maximum fuel efficiency?

I know that the faster I drive my car the more gas it uses. But on the other hand I'll get to my destination in less time. Is there a "sweet spot" on the speedometer that would give me maximum fuel efficiency? And if so is it different for different car models?

Can a car get 100 miles per gallon?

The 100 mpg car is being promoted by Google.org in an effort to reduce oil use and harmful emissions. Learn all about Google's 100 mpg car program.

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