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Why Do We Need Clean Cars?

America's oil consumption threatens our environment, economy, and health. Clean vehicle technology provides the tools to reduce these risks and move us toward a cleaner, safer transportation future.

Reduce Oil Use

America consumes more than 19 million barrels of oil every day, more than 20 percent of all the oil used by the entire world. We burn most of it for transportation, powering our cars and trucks as they travel a whopping three trillion miles every year.

This prodigious use of oil comes with significant costs—to our health, to our environment, and to our pocketbooks—and these problems will only increase in the years ahead as oil becomes more difficult and expensive to acquire.

To reduce our oil consumption, we need vehicles that use less oil and go farther—much farther—on a gallon of gas.

Learn more about cars, trucks, and oil use>

Slow Global Warming

The Earth is heating up and the U.S. transportation system is a primary cause, accounting for nearly 30 percent of U.S. global warming emissions and more than 5 percent of the world’s total global warming pollution.

Rising temperatures put our food and water supply at risk, endanger our health, and imperil other basic human needs. To reduce the threat, we must adopt clean vehicle and fuel technologies that decrease the amount of heat-trapping emissions generated by America’s cars and trucks.

Learn more about vehicles and global warming>

Decrease Pollution and Improve Public Health

Transportation is the largest single source of air pollution in the United States. In 2008, it contributed over half of the carbon monoxide, a third of the nitrogen oxides, and almost a quarter of the hydrocarbons in our atmosphere.

All this pollution has serious implications for public health, including an increased incidence of respiratory ailments like asthma and bronchitis. To improve air quality, we need more clean vehicles on the road that emit fewer pollutants.

Learn more about air pollution and health>

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