Semi trucks need a lot of power to carry their cargo on the road. That's why it can be a huge problem for the driver if it ...

Selective Catalytic Reduction (SCR) systems and the use of diesel exhaust fluid (DEF) have drawn renewed attention across the ...

Farmers gain relief as EPA eliminates DEF sensor rules, cutting costs and reducing equipment failures during critical ...

Diesel exhaust fluid is essential for keeping your engine functioning without letting off too many emissions. But it doesn't do well in the cold; here's why.

If a truck driver wants to save a few bucks by running some of its miles without diesel exhaust fluid (DEF), it’s now going ...

Scientists have developed a new combustion strategy for ammonia-fueled engines, hitting a 99.1% ammonia energy substitution ...

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor requirement for all diesel equipment, a decision the agency frames as a direct ...

President Donald said the EPA will change diesel emissions rules to save farmers billions, while announcing SBA loan ...

A new study published in Engineering has explored a pilot-ignition reactivity-stratification (PIRS) combustion strategy for ammonia-fueled compression ...

Activists are urging the project developer to embrace 100% renewable energy and water experts are calling for 'transparency' around water use.

Fedorchak poses with farmers and ranchers who attended the ag roundtable meeting held on Tuesday, March 31 at High Plains ...

The pungent aroma of a McDonald’s DIY fry vat is now trailing Bruce Dunne down the highway. He refuses to pay $5.34 per ...