Diesel vehicles would no longer be required to drastically reduce power or limit their speed because of certain diesel ...

A new EPA proposal could allow you to keep a truck moving when its diesel exhaust fluid system fails, rather than forcing the engine to cut power or restrict speed. Announced recently, the plan would ...

A 3.0L Duramax owner logged 58,000 trouble-free miles by using premium DEF fluid. A friend in his truck group wasn't as lucky ...

Months after telling manufacturers traditional diesel exhaust fluid (DEF) sensors are no longer mandatory for new trucks, tractors, buses, and other diesel equipment, the Environmental Protection ...

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

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 ...