Oil refineries like this one in Richmond are prime targets for California’s cap-and-trade system that requires facilities emitting carbon dioxide to buy emission allowances from the state or others. It’s part of California’s effort to reduce greenhouse gases.
Oil refineries like this one in Richmond are prime targets for California’s cap-and-trade system that requires facilities emitting carbon dioxide to buy emission allowances from the state or others. It’s part of California’s effort to reduce greenhouse gases. Paul Sakuma Associated Press file
Oil refineries like this one in Richmond are prime targets for California’s cap-and-trade system that requires facilities emitting carbon dioxide to buy emission allowances from the state or others. It’s part of California’s effort to reduce greenhouse gases. Paul Sakuma Associated Press file

Carbon auction perks up but could stumble again

November 22, 2016 04:50 PM