def

The entire trucking industry should come together and file a class action lawsuit against the US Government for mandating the whole clean exhaust/DEF system. Nothing but problems with this stuff. Lots of wasted time and lost money from breakdowns, Manuel regens, buying DEF and etc.

I have heard multiple accounts of DEF lines freezing in the extreme cold temperatures we are having. While I have not had this happen, I can imagine the annoyance that this brings. Seems to me, a could preventative measure for this would be to simply wrap (insulate) the lines if your truck is...

The average price for diesel exhaust fluid at the pump remained unchanged in both the United States and Canada in December 2012, according to a press release from DEF Tracker. The average U.S. price held steady at $2.79 per gallon, although Love’s Travel Stops offers DEF for $2.69, the...

I guess DEF fluid is doing what it's supposed to do. But, has anyone considered the effect on the environment that all the empty DEF containers are having as they enter the waste stream?

My husband,a company driver, just received one of the newer Peterbuilt with Cummin Engines .... that use the new fun thing ..... DEF and the special catalytic converter injection system. Anyone have any running stats using this chemicle? Like mileage ratio to 1/2 tank useage and full tank...