State’s proposed rules are the most sweeping in the US to cut greenhouse gases.
Californians in the market for a new car next year might spot something new on the windshields: an environmental performance sticker.
A skirmish last week over setup costs only foreshadows the battles ahead for the landmark bill that would slash emissions by 2020.
California's bid to set tougher auto-emissions standards has been stymied by the Bush administration. Now the courts will decide.
The Golden State filed suit on Wednesday for the right to limit greenhouse-gas emissions from autos.