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

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 ...

When 2010 rolls around in about nine months, all automakers that offer diesel vehicles in the United States will need to meet new requirements that will mandate a 90 percent reduction in nitrogen ...

The Environmental Protection Agency (EPA) is urging machinery manufacturers to update their equipment to prevent shutdowns when diesel exhaust fluid runs out, Administrator Lee Zeldin said Monday.

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.

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 ...

HOLLY, Mich., Nov. 18, 2025 (GLOBE NEWSWIRE) -- Most drivers know the consequences of running out of fuel: The car or truck will stop running, and they’ll be stranded. But what many don’t realize is ...

The Environmental Protection Agency is changing regulations about diesel engines that could help Oklahoma farmers and truck drivers. The rules have to do with Diesel Exhaust Fluid. The EPA began ...

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 ...