EPA Confirms Truck NOx Plan Delay To 2021, Highlighting Election Risk

A top EPA air official is confirming suggestions that the agency will delay its long-pending proposal to tighten nitrogen oxides (NOx) and other air standards for heavy-duty trucks until after the Nov. 3 presidential election, eyeing a 2021 release that poses the risk for the Trump EPA of a potential Biden administration taking over the plan. Speaking on a virtual meeting of the Clean Air Act Advisory Committee’s Mobile Sources Technical Review Subcommittee Oct. 19, Sarah Dunham, head of the...