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.

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.

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 ...

Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...

The modern world relies on vehicles of all kinds for everything from personal transportation to the facilitation of international trade. These vehicles — which range from passenger cars and SUVs to ...

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 ...

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 ...

GREENVILLE, NC (WNCT) — Sheetz locations that offer Diesel Exhaust Fluid (DEF) could save diesel drivers $15-$75. Typically the product costs $3.50 a gallon, but with this recent announcement, diesel ...

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 ...

These new regulations actually violate the EPA's requirements already on the books for diesel vehicles using DEF. From the EPA's own website, one such requirement is: Tamper Prevention System: The ...