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Improving Fuel Efficiency: How to Go Farther on a Gallon of Gas

Improved fuel efficiency will help reduce U.S. oil consumption and curb global warming emissions—while saving consumers billions of dollars at the pump.

Increasing the fuel efficiency of U.S. vehicles is a critical component of Half the Oil, our plan to cut projected U.S. oil use in half in 20 years.

The historic fuel economy and global warming emissions standards finalized in August 2012 have the potential to reduce our oil use by more than 4 million barrels per day by 2035, a key step toward implementing Half the Oil.

We have the technology to meet or exceed the recently finalized vehicle standards, deliver a wide range of clean transportation options that meet consumers’ needs, and position the United Sates as a global leader in transportation technology.

Fuel economy basics

Fuel economy is a measure of a vehicle’s efficiency, usually expressed in miles per gallon. The U.S. Department of Transportation and Environmental Protection Agency work together to establish national standards that set the average fuel economy and global warming pollution standards that an auto manufacturer's fleet must achieve. 

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Benefits of increased fuel efficiency

Fuel-efficient vehicles require less gas to go a given distance. When we burn less gas, we need less oil. When we use less oil, we reduce global warming emissions, improve air quality, and protect public health. Plus we spend less at the pump, saving money that can far surpass any additional costs associated with buying a more fuel-efficient  vehicle in the first place.

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In-depth reports

Improving U.S. fuel economy

Smart government policy provides the most effective means to improve the fuel economy of our nation’s cars and trucks. In August 2012, the federal government enacted strong new standards for vehicles produced through 2025. If correctly implemented, these standards could nearly double the average new vehicle fuel economy to about 50 miles per gallon.

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How to maximize your vehicle’s fuel economy

A few simple things can noticeably increase your car’s mileage. These include: regular maintenance, properly inflated tires, limited idling, and fuel-efficient driving habits.

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Tires and fuel economy

Reducing the rolling resistance of tires could reduce U.S. fuel consumption by one to two percent and save the nation one to two billion gallons of gasoline annually.

Learn more about tires and fuel efficiency >

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