Topic: Stephen L. Johnson

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Cleaning up an engine’s act
Democrats unrelenting in oversight of Bush administration

With elections ahead, Congress is expected to keep spotlight on alleged misdeeds.
Democrats unrelenting in oversight of Bush administration

With elections ahead, Congress is expected to keep spotlight on alleged misdeeds.
Why national parks, coal-fired power plants may be neighbors

Air-quality experts worry that proposed changes to clean-air regulations may allow developers to build the plants near pristine areas.
Why national parks, coal-fired power plants may be neighbors

Air-quality experts worry that proposed changes to clean-air regulations may allow developers to build the plants near pristine areas.
Can states cut carbon? EPA says no.

California's bid to set tougher auto-emissions standards has been stymied by the Bush administration. Now the courts will decide.
Can states cut carbon? EPA says no.

California's bid to set tougher auto-emissions standards has been stymied by the Bush administration. Now the courts will decide.
California's data challenges EPA

The Golden State filed suit on Wednesday for the right to limit greenhouse-gas emissions from autos.
California's data challenges EPA

The Golden State filed suit on Wednesday for the right to limit greenhouse-gas emissions from autos.