At the Great American Agriculture Celebration on the White House South Lawn Friday, President Trump announced that the ...

While diesel-powered passenger vehicles are increasingly limited in the U.S., they remain vital, especially for those in the ...

In a major move aimed at “freeing up” the American supply chain, President Trump and EPA Administrator Lee Zeldin announced ...

EPA changes its diesel exhaust fluid sensor policy. The post DEF sensors no longer required on trucks, other diesel equipment: EPA appeared first on FreightWaves.

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor ...

President Donald Trump and the U.S. Environmental Protection Agency announced guidance allowing the removal of the DEF sensor ...

Environmental Protection Agency Administrator Lee Zeldin has announced that EPA has removed the requirement that diesel equipment contain Diesel Exhaust Fluid (DEF) sensor equipment. EPA announced the ...

Smoke bellows from the exhaust stacks of a tractor in Miami, Florida. Trucking groups hailed the EPA’s action to rescind a ...

The move follows a February action seeking to end diesel derates. EPA cited the Small Business Administration as saying its ...

New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...

EPA’s latest move on diesel exhaust fluid systems aims to reduce unexpected derates and costly downtime, both persistent ...

The White House came alive today with the Great American Agriculture Celebration, but the real fireworks happened when ...