Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the air cleaner. After years of complaints about failure-prone diesel exhaust ...

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor requirement for all diesel equipment, a decision the agency frames as a direct ...

In front of a gathering of farmers, ranchers and growers at the White House, President Trump and EPA announced new guidance that will remove the DEF sensor requirements, which the Small Business ...

Diesel owners who have wrestled with warning lights, sudden power loss or even complete shutdowns tied to diesel exhaust fluid systems may finally be getting some relief. The U.S. Environmental ...

This DEF sensor can shut down diesel engines even due to faulty readings, prompting the EPA to remove it as a requirement. EPA removes DEF sensor requirement to address costly diesel engine issues and ...