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 ...

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 Environmental Protection Agency is asking diesel engine makers to provide information about diesel exhaust fluid system failures as it considers changes to emissions regulations. The move is a ...