New EPA Proposal Could Roll Back Some DEF-System Requirements For Diesel Engines

New EPA Proposal Could Roll Back Some DEF-System Requirements For Diesel Engines

Just a short time after reducing regulations regarding fuel and exhaust systems around diesel engines, the EPA seems to be cutting them even more.

EPA Proposes Changes to Biden-Era Environmental Rules for Heavy-Duty Trucks

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President Trump Saves American Truckers Thousands By Eliminating Onerous Biden Mandates

The Trump administration is proposing changes to Biden-era environmental rules regarding heavy-duty vehicles, including buses and large trucks. Trump’s Environmental Protection Agency (EPA) is scaling back and postponing two provisions regarding emissions-reducing technology: one related to warranties and another related to the useful life of emissions technology. The Biden EPA had extended the useful life of emissions technology from 435,000 mi…

EPA proposes elimination of DEF deratements

By Jessica Domel Multimedia Reporter The Environmental Protection Agency (EPA) released a proposal that would eliminate Diesel Exhaust Fluid (DEF) deratements on new trucks and engines. “Instead of your truck or your tractor lurching to a halt when the DEF system fails, you’d get a warning or even a light or sound that’ll tell you something needs attention,” Scott Mason, administrator for EPA’s south central region, said. “You would keep going u…