[Stay on top of transportation news: Get TTNews in your inbox.] Fleet managers and truck drivers both need to understand that the quality of the diesel exhaust fluid (DEF) going into their vehicles is ...

The American Petroleum Institute has launched a new resource page that provides crucial information on diesel exhaust fluid quality, purchasing and storage. The information is tailored to meet the ...

Adding diesel exhaust fluid to a truck isn't the big deal some thought it would be when selective catalytic reduction first came on the scene. But DEF quality can still be a big deal. Adding diesel ...

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.

As restrictions are being lifted across most states in the U.S. and with warm weather upon us, it is important to consider proper management of diesel exhaust fluid (DEF) used in modern diesel-powered ...

Regardless of the Volkswagen diesel emissions scandal that’s still reverberating in government houses and law courts around the globe, diesel engines have made inroads into light trunk and passenger ...

If you regularly drive a modern-day diesel-powered vehicle, chances are, you know what Diesel Exhaust Fluid (DEF) is. A crucial component used by most modern vehicles with diesel engines, DEF — which ...

PACCAR has patented a method to evaluate Diesel Exhaust Fluid (DEF) quality in emissions aftertreatment systems. By analyzing NOx conversion efficiency in SCR units, the system adjusts DEF dosing to ...

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 ...