Makers of New Heavy Trucks Must Cut Nitrogen Oxide Pollution by Over 80 Percent: EPA

The U.S. Environmental Protection Agency (EPA) announced on Tuesday that new heavy truck makers will have to cut nitrogen oxide emissions by more than 80 percent, the latest move in an effort toward implementing the Biden administration’s “Clean Truck Plan.”
The new standards will go into effect from 2027.
Specifically, nitrogen oxide emissions from new semis and other heavy trucks will be limited to 35 milligrams per horsepower-hour. The current standard is 200 milligrams, the EPA said.
Nitrogen oxide is a sharp sweet-smelling gas that is released into the air from conventional vehicles, the burning of coal, oil, or natural gas, or through other processes such as arc welding, according to the Centers for Disease Control and Prevention….}