California regulators, trying to clean up some of the nation's worst air, have changed their rules under a compromise with the industry.

Some California regulators say the limits were too long in coming.

California regulators estimate the price increase at 18 percent for the smallest machines, those costing about $150 to $200.

California regulators praised the order, saying it would help them corral prices.

But it has also been reassured by recent steps of California regulators.

Indeed, the utilities were under orders to sell their power plants, although California regulators recently reversed course.

California regulators see this as an attempt to clean the state's air.

California regulators plan to rewrite the rule some time next year.

California regulators ordered 14 insurance companies to refund more than $1.5 billion to consumers.

The decision came in part out of negotiations with California regulators to settle state charges involving the partnerships.