EPA Tightens Rules on Pollution From Vans, Buses and Trucks
The Biden administration has strengthened limits on smog-forming pollution from buses, delivery vans, tractor-trailers and other trucks, the first time in more than 20 years that tailpipe standards have been tightened for heavy-duty vehicles. From a report: The new rule from the Environmental Protection Agency is designed to cut nitrogen oxide from the vehicles by 48 percent by 2045. Nitrogen dioxide is a poisonous gas that has been linked to cardiovascular problems and respiratory ailments like asthma. The rule will require manufacturers to cut the pollutant from their vehicles starting with the model year 2027. But the new rule is not as stringent as one proposed by the E.P.A. in March, which would have cut the pollutant as much as 60 percent by 2045. And the agency stopped short of âârequiring that truck manufacturers also cut greenhouse gas emissions associated with burning diesel fuel or convert their fleets to electric models.
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