The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...

The EPA questions if diesel DEF de-rates are essential for emissions compliance. Could changes be on the horizon? Discover ...

The Trump administration is demanding warranty and failure data from top manufacturers in an effort to end truck engine ...

Breaking news, the EPA is forcing engine makers to reveal the truth behind their DEF systems for repairs, warranty claims to ...

The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel ...

HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is probably ...

The EPA is considering eliminating the "limp mode" rule for diesel engines, a feature that drastically slows trucks and ...

The federal agency is demanding failure and repair data from manufacturers to "hold [them] accountable for the continued ...

The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about ...

One of the many things we love about running a diesel engine is how long it will run. You can pack in a lot of mileage without needing major repair - as long as you take care of the motor and keep ...

Keep Diesel Emissions Systems Crystal-Free New Rislone Diesel DEF Treatment Super Concentrate stabilizes and improves diesel exhaust fluid (DEF) to prevent crystallization and enhance selective ...

Tips for troubleshooting poor acceleration, stalling, trouble maintaining speed, warning lights Why is my diesel truck losing ...