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Why Obama’s car rules trump his new climate proposal

The Valero refinery works glow in the dusk light in Port Arthur, Texas. The state of Texas has placed a historical plaque noting that this area is near where the oil boom started in 1901. Port Arthur, Texas is the end of the line for oil that would travel through the proposed Keystone XL Pipeline. (Photo by Michael S. Williamson/The Washington Post) The Valero refinery works glow in the dusk light in Port Arthur, Tex. (Michael S. Williamson/The Washington Post)

The Environmental Protection Agency's proposal to curb carbon dioxide from existing power plants has sparked both plaudits and critiques alike, with environmentalists calling it a critical way to save the planet and industry opponents predicting that it will devastate the economy.

But here's a secret: The agency's previous efforts to impose the first-ever carbon limits on passenger cars and light trucks will do more — by just a smidgen — to address climate change.

By 2030, according to EPA estimates, the new power plant proposal will cut 550 million metric tons of annual carbon dioxide emissions. The fuel efficiency standards for the passenger car and light truck for the fleet years between 2012 and 2025 will cut 580 million metric tons by that same year.

In the short term, the power plant rule would make steeper cuts since the car fleet turns over gradually. By 2020, the power plant rule would cut 370 million metric tons of carbon dioxide, while the car rules will save 180 million metric tons.

"Both the power plant proposal and the vehicle efficiency rules are very significant steps, and together they mean that President Obama has addressed more than 60 percent of U.S. carbon pollution with significant standards," wrote NextGen Climate America chief operating officer Dan Lashof in an e-mail.

"Thanks to the vital safeguards proposed by the EPA today, the prolonged era of unmitigated carbon dumping may soon come to a welcome end," added Lashof, whose group is funded by climate activist Tom Steyer.

EPA Administrator Gina McCarthy said during a news conference on Monday that "the high costs of climate inaction" are affecting American children and families today and it is important to limit carbon pollution. She proposed new regulations for a "clean power plant." (The Associated Press)
Juliet Eilperin is The Washington Post's White House bureau chief, covering domestic and foreign policy as well as the culture of 1600 Pennsylvania Avenue. She is the author of two books—one on sharks, and another on Congress, not to be confused with each other—and has worked for the Post since 1998.



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