EPA’s latest move on diesel exhaust fluid systems aims to reduce unexpected derates and costly downtime, both persistent ...

The Environmental Protection Agency on March 27 rescinded a requirement that diesel equipment be equipped with diesel exhaust fluid (DEF) sensors, according to a press release.

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

On Friday, the U.S. Environmental Protection Agency released the following: Today, at the White House Great American Agriculture Celebration, President Trump announced another decisive action U.S.

New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...

The modern diesel engine is a marvel of engineering. You could walk down to your local Ford dealer and drive out in a pickup ...

The Trump administration has updated diesel engine rules to prevent trucks and farm equipment from slowing down or shutting ...

Republican lawmakers introduce a bill to stop the EPA from "criminalizing" farmers and truckers over emissions equipment.

On the heels of clarifying farmers’ right to repair their own equipment, EPA is escalating pressure on diesel engine manufacturers over ongoing Diesel Exhaust Fluid (DEF) system failures the ...

Diesel exhaust fluid freezes at 12 degrees Fahrenheit, leaving ice road truckers in a dangerous predicament when their big ...

President Donald Trump and the U.S. Environmental Protection Agency announced guidance allowing the removal of the DEF sensor ...

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 ...