Diesel engines can be more efficient than gasoline engines, but that's largely due to DEF. Here's what it does, how it helps, and what happens if you run out.

With 2020 being dominated by challenges caused by COVID-19, some diesel-powered vehicles have likely been out of service for a long time. This includes buses, motorcoaches, trucks, and other fleet ...

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 ...

Maintaining optimal performance and ensuring compliance with emissions standards go hand in hand for operators of diesel trucks. Diesel Exhaust Fluid (DEF) is a critical component in achieving both.

If you're short on time, here's what you should know. The primary claim made in the viral Facebook post was that Union Pacific was placing an embargo on Pilot Flying J. That supposed embargo would ...

SPRINGFIELD, Mo. (KY3) - Diesel users such as semi-truck drivers and RV owners will soon be paying more for diesel exhaust fluid (DEF). According to RV Business: “Modern diesel requires the injection ...

According to the Farmer's Almanac, the winter of 2020 will be filled with bitterly cold weather from the eastern parts of the Rockies and east to the Appalachian Mountains and Northeast U.S. However, ...

Adding diesel exhaust fluid to trucks has become fairly routine, despite some of the anxiety that came along with the debut of this new fluid a decade ago, needed to cut emissions using selective ...

The U.S. could soon experience a severe shortage of diesel exhaust fluid (DEF), impacting U.S. drivers already hit with soaring fuel prices. DEF is a solution made up of urea and de-ionized water that ...

Truck drivers already struggling with extremely high fuel prices are also dealing with more expensive Diesel Exhaust Fluid, which is a key product needed for most everything that runs on diesel. Truck ...

Is your diesel truck's DEF system acting up? This is a replacement Diesel Exhaust Fluid (DEF) urea filter. It's a crucial ...

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 ...