Critics of the current EPA say it is favoring industry over public health by rolling back or weakening pollution and climate ...

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

In years gone by, the LLY variant of Duramax turbodiesel V8 powered vehicles such as the Chevrolet Silverado HD and GMC Sierra HD.

A key enabler is the newly redesigned aftertreatment system, which uses trusted components in a smarter and more efficient ...

This particular OM651 diesel engine failed, but the issue does not appear to be related to its complex, overbuilt ...

Banks have begun marketing up to $7.7 billion in financing to support bids for a majority stake in Volkswagen’s Everllence diesel engine unit. The potential sale, valued at more than €5 billion, comes ...