Regulations adopted by the South Coast Air Quality Management District would cut emissions by oil refineries and industrial plants by 2,000 tons a year. But federal regulators say the overall plan also depends on curbing truck emissions.
Eleven major oil refineries and industrial plants in the Los Angeles area will be forced to slash sulfur pollution by more than 2,000 tons a year under sweeping new regulations, but the move may not be enough to meet federal health standards for the region unless the state maintains strict curbs on truck pollution.
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