Senate climate bill sees big cut in oil imports
The aides, who asked not to be identified, also said electric power utilities would receive new pollution permits starting in 2013 based 75 percent on how much carbon emissions they produce and 25 percent on their deliveries, the aides said.
By 2030 utilities would be forced to purchase all of their required pollution permits, transitioning from initial free permits from the government.
(Reporting by Richard Cowan)