EPA demands DEF failure data from diesel makers. Investigation could force recalls and software fixes for engines already on U.S. roads. 30-day deadline set.

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

HOLLY, Mich., March 13, 2024 /PRNewswire/ -- Rislone introduces DEF Crystal Clean™ Diesel DEF & SCR Emissions System Cleaner. This one-of-a-kind product scrubs away crystal contaminants from the ...

These new regulations actually violate the EPA's requirements already on the books for diesel vehicles using DEF. From the EPA's own website, one such requirement is: Tamper Prevention System: The ...

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

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 ...

The EPA has been taking a hatchet to emission regulations, which "don't mean a damn bit of difference to the environment" according to "Home Alone 2" actor, President Donald Trump. EPA Administrator ...