The EPA has loosened or eliminated a lot of regulations since President Trump took office, but last week the agency announced it would tighten regulations on emissions of nitrogen oxides from heavy trucks such as semis. The EPA notes that smog-forming NOx emissions from heavy trucks fell 40 percent between 2007 and 2017 after the agency last... EPA announces tighter smog regulations on heavy trucks
The EPA has loosened or eliminated a lot of regulations since President Trump took office, but last week the agency announced it would tighten regulations on emissions of nitrogen oxides from heavy trucks such as semis. The EPA notes that smog-forming NOx emissions from heavy trucks fell 40 percent between 2007 and 2017 after the agency last...