CARB Floats Potential New Measures To Cut Truck GHGs, Other Emissions

California Air Resources Board (CARB) officials are outlining potential new measures to reduce greenhouse gas and criteria emissions from medium- and heavy-duty trucks -- an effort to counter Congress’ rescission of Biden-era preemption waivers that had allowed the state to implement its stricter vehicle rules. Options include manufacturer standards; stricter trailer standards to improve fuel economy and reduce GHGs; rules to reduce non-exhaust emissions, which are pollutants released from vehicles that are not from the tailpipe or evaporative emissions, such...