So last year, we established a groundbreaking national fuel efficiency standard for cars and trucks.

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In fact, they will save money because a higher fuel efficiency standard obviously uses less fuel and ultimately costs less money to operate.

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Last year, after going about 30 years without raising fuel-efficiency standards, we finally put in place a national fuel-efficiency standard for cars and trucks.

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But if you've got a fuel-efficiency standard in place that says your car needs to get 20 miles a gallon or 30 miles a gallon, suddenly all these engineers are thinking, well, how do we do that?

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Automakers have to meet certain fuel-efficiency standards, one standard for their fleet globally and another for their U.S. cars, which forces them to produce cars that they're not good at making.

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It directs my administration, under the leadership of Transportation Secretary Ray LaHood and EPA Administrator Lisa Jackson, to develop a standard to improve fuel efficiency and reduce harmful emissions for trucks, starting with the model year 2014.

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Then, by 2025, the corporate average fuel economy (CAFE) standard rises to 54.5 mpg, a level of fuel efficiency that has virtually ever carmaker stretching to come up with new technologies.

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The goal is to set one national standard that will rapidly increase fuel efficiency -- without compromising safety -- by an average of 5 percent each year between 2012 and 2016, building on the 2011 standard my administration set shortly after taking office.

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