Which diesel exhaust fluid is best? When you have a diesel vehicle, besides adding fuel, you need to add diesel exhaust fluid. Diesel-powered vehicles require diesel exhaust fluid to reduce engine ...

Since 2010, diesel-powered on-highway trucks in North America have been using selective catalytic reduction (SCR) as an exhaust after-treatment technique to control nitrogen-oxide (NOx) emissions. And ...

I recently read a pretty startling statistic—in the next year, the off-highway engine market will consume about 20 million gallons of Diesel Exhaust Fluid (DEF). In the next five years that number is ...

When it comes to diesel exhaust fluid requirements, many truckers are being left out in the cold. That’s what a senator said during a hearing this week.

DES MOINES, Iowa (IOWA CAPITAL DISPATCH) - U.S. Environmental Protection Agency Administrator Lee Zeldin announced guidance Tuesday for engine and equipment manufacturers to prevent sudden shutdowns ...

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 Iowa House advanced a bill Monday that would allow farmers to disable the diesel exhaust fluid, or DEF, systems required ...

DALLAS & FORT WORTH, Texas--(BUSINESS WIRE)--Constitution Day. US-DEF now provides the United States wholesale and retail markets with a brand of diesel exhaust fluid (DEF) made in America for ...

Add Yahoo as a preferred source to see more of our stories on Google. U.S. Environmental Protection Agency Administrator Lee Zeldin was at the Iowa State Fair Aug. 12, 2025 with U.S. Small Business ...