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.
GM pickups powered by a Duramax diesel engine offer loads of benefits, including strong low-end torque and impressive real-world efficiency. However, diesel engines also require some specialized ...
Add Yahoo as a preferred source to see more of our stories on Google. (Photo/Ram) Just two weeks ago, the head of the Environmental Protection Agency (EPA) made an extraordinary announcement: ...
Hosted on MSN
What Is DEF and How Does It Work?
DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results