The Environmental Protection Agency (EPA) on Thursday published a proposal to revise regulations for commercial truck nitrogen oxides (NOx) emissions for the 2027 model year, dropping a requirement ...
The Environmental Protection Agency on Thursday unveiled a proposal that, while leaving in place the actual emissions limits mandated in a 2023 final rule for model year 2027 engines, could put a ...
EPA's relaxed NOx rule, as many expected, removes the warranty extension—and proposes annihilating the troublesome DEF derate ...