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

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

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

Following Monday’s right-to-repair announcement, EPA is demanding DEF failure data from engine makers, targeting shutdowns ...

EPA asked manufacturers for info in hopes to "PERMANENTLY eliminate the deratements ENTIRELY," agency boss Lee Zeldin said.

Under the new measure, the EPA is requiring detailed warranty, failure rate and repair data from major diesel engine manufacturers.

The LML was the 6.6-liter V8 engine behind many Chevrolet Silverado and GMC Sierra trucks between 2011 and 2016, but what made it so special?

The history and evolution of Ford's iconic Power Stroke diesel V8 engine, from its roots in the 80s to its status as the most ...