But the agency will allow California to require trucks registered in the state to be subject to an inspection and maintenance program aimed at curbing smog. EPA on Monday proposed allowing California ...

California regulators and solar industry stakeholders are denouncing the U.S. Environmental Protection Agency's decision to eliminate the Solar for All grant program, designed to bring solar energy to ...

EPA Region 9 Administrator Josh F.W. Cook aired concerns that the company is leaving the state, rather than upgrading its refineries. EPA announced a fine Wednesday against a Southern California ...

The Environmental Protection Agency has moved to block a California regulation aimed at reducing emissions from diesel trucks, arguing that it serves as a backdoor emission rule that would be imposed ...