EPA chief put on the hot seat

EPA chief Stephen Johnson said he wasn’t stonewalling.

EPA chief Stephen Johnson said he wasn’t stonewalling.

WASHINGTON — Nearly a year after being told to do so, the head of the Environmental Protection Agency said Tuesday that he couldn't say when he would comply with a Supreme Court directive and determine whether greenhouse gas emissions from vehicles should be regulated.

In a tense exchange with a senator, EPA Administrator Stephen Johnson suggested that few — if any — people at the agency were directly working on the issue now. In April 2007, the high court said the EPA was required to determine whether carbon dioxide and other heat-trapping greenhouse gases pose a danger to public health.

Johnson originally had promised a reply to the court's ruling by last fall.

Sen. Dianne Feinstein, D-Calif., pressed Johnson at a hearing, repeatedly asking him how many EPA employees he had working on the greenhouse gas issue.

"Is anyone working on this at the present time, Mr. Johnson?" she asked. "How many members of your staff are currently working on this?"

"I don't know the answer to that," Johnson replied at a hearing of the Senate Appropriations environment subcommittee.

Feinstein accused Johnson of "stonewalling" and said she found it strange that the EPA chief "can't give me a number (of people engaged) on something that is a Supreme Court finding."

"Madam Chairman, I am not stonewalling," Johnson said.

He said a law that Congress passed in December requiring automakers to achieve a fleetwide average of 35 miles per gallon by 2020 has complicated the EPA's response on greenhouse gas regulation as required by the high court.

Johnson also said the new auto fuel economy requirements were a key reason that he decided to reject a request by California for permission from the EPA to pursue its own controls on greenhouse gas emissions — mainly carbon dioxide — from automobiles.

The Bush administration has long argued against regulating carbon dioxide, maintaining that it is not a pollutant under the Clean Air Act, and has opposed mandatory limits even after the Supreme Court ruling.

EPA scientists determined last year that greenhouse gas emissions are a threat to the public welfare, government officials familiar with the decision have told the Associated Press. However, EPA officials said that once the new fuel-efficiency law was signed, the process was restarted.

. FAST FACTS

Court's ruling

The Supreme Court ruled last April that the EPA had authority under the Clean Air Act to regulate tailpipe emissions of greenhouse gases, so named because their accumulation in the atmosphere can help trap heat from the sun, causing potentially dangerous warming of the Earth. The court directed the EPA to decide whether the emissions endanger the public's health or welfare. If so, the court said, the EPA must regulate such emissions.

EPA chief put on the hot seat 03/05/08 [Last modified: Thursday, October 28, 2010 9:27am]

    

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