Morning Overview on MSN

EPA drops DEF sensor requirement after Trump push, reports say

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

EPA’s DEF sensor rollback a win for diesel farm equipment

Farmers gain relief as EPA eliminates DEF sensor rules, cutting costs and reducing equipment failures during critical ...

Will the end of DEF sensors mean a reduction in its consumption?

If a truck driver wants to save a few bucks by running some of its miles without diesel exhaust fluid (DEF), it’s now going ...

New EPA Guidance On Diesel Exhaust Fluid (DEF)

Diesel owners who have wrestled with warning lights, sudden power loss or even complete shutdowns tied to diesel exhaust ...
Trucking Info

EPA Targets DEF Sensor Failures Behind Truck Derates

New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary derates and downtime caused by failures in the sensors designed to ...
Land Line

EPA takes aim at DEF sensors that sideline truckers

Sick of DEF failures shutting you down? EPA is pushing changes that could reduce disruptions caused by faulty sensors.
DRGNews

Action to Address Diesel Exhaust Fluid (DEF) System Complaints

For more information, please see EPA’s Diesel Exhaust Fluid. Since 2010, most on-road diesel trucks and many types of nonroad ...
Autoblog

Government Moves to Fix Diesel Problem That Has Cost Owners Billions

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 ...
https//carbuzz

EPA Pushes Diesel Manufacturers Away From DEF Sensors, But Not The Fluid

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...