State has exemptions under Clean Air Act to set vehicle emissions standard higher than federal limits
The US supreme court agreed on Friday to hear a bid by fuel producers to challenge California’s standards for vehicle emissions and electric cars under a federal air pollution law in a major case testing the Democratic-governed state’s power to fight greenhouse gases.
The justices took up an appeal by a Valero Energy subsidiary and fuel industry groups over a lower court’s rejection of their challenge to a decision by Democratic President Joe Biden’s administration allow California to set its own regulations.
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