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

Diesel has surged past $5 a gallon as the U.S.-Iran war strains global oil markets. Truckers hauling freight through Wyoming say they’re losing money ...

The Environmental Protection Agency on March 27 rescinded a requirement that diesel equipment be equipped with diesel exhaust fluid (DEF) sensors, according to a press release.

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

The EPA’s updated guidance, announced Friday, allows truck manufacturers to bypass sensors that monitor the quality of DEF.

President Donald Trump on Friday announced the Environmental Protection Agency was removing the DEF sensor requirement for ...

The article outlines how sensor failures, turbocharger issues, fuel system problems, and DEF system faults trigger limp mode during heavy-duty use. Why do diesel trucks suddenly lose power and enter ...

EPA is removing DEF sensor requirements to end costly equipment shutdowns and save farmers an estimated $4.4 billion annually ...

Republican lawmakers introduce a bill to stop the EPA from "criminalizing" farmers and truckers over emissions equipment.

EPA has rescinded rules requiring Diesel Exhaust Fluid Urea Quality Sensors on diesel-powered vehicles and nonroad equipment. EPA Administrator Lee Zeldin said the change was meant to address ...