John Telles

Calif. regulators approve sweeping rules on incentives to cut greenhouse gas emissions. Hoping other states will follow suit, California regulators overwhelmingly approved the nation's most extensive system giving owners of power plants, refineries and other major polluters financial incentives to emit fewer greenhouse gases.

Calif. regulators approve sweeping rules on incentives to cut greenhouse gas emissions. California regulators on Thursday approved the first system in the nation to give polluting companies such as utilities and refineries financial incentives to emit fewer greenhouse gases.

Truckers seek delay of California diesel rules, saying expense is too great amid recession. California's Air Resources Board is moving ahead with plans to delay the nation's toughest diesel emissions rules, allotting truckers wrestling with the economic downturn more time to invest in cleaner trucks.

Calif. approves nation's first low-carbon fuel rule; oil and ethanol industries seek delays. California air regulators on Thursday adopted a first-in-the-nation mandate requiring low-carbon fuels, part of the state's wider effort to reduce greenhouse gas emissions.