EPA approved guidance allowing diesel manufacturers to replace urea quality sensors with NOx sensors in DEF systems. The agency said faulty DEF sensors are a significant source of warranty claims and ...

The U.S. Environmental Protection Agency on Friday said it is dropping the requirement for diesel exhaust fluid (DEF) sensors as part of a truck's aftertreatment system in favor of monitoring actual ...

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 ...

In case you've faced some hurdles solving the clue, Def!, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy leisure time, and test your knowledge ...

If you regularly drive a modern-day diesel-powered vehicle, chances are, you know what Diesel Exhaust Fluid (DEF) is. A crucial component used by most modern vehicles with diesel engines, DEF — which ...

We may receive a commission on purchases made from links. The government's strict emissions limits for combustion-powered vehicles have pushed automakers to develop technologies that let their engines ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

The U.S. Environmental Protection Agency is working to fix a long-standing headache for diesel truck and equipment operators: power cuts triggered by low diesel exhaust fluid levels. New rules will ...

[Stay on top of transportation news: Get TTNews in your inbox.] The Environmental Protection Agency is directing truck manufacturers to revise software in new and existing trucks to prevent engine ...