Prestone Command diesel exhaust fluid (DEF) is a colorless, odorless, nontoxic and nonflammable liquid solution consisting of 67.5% demineralized water and 32.5% high-quality automotive-grade urea. It ...

HOLLY, Mich., March 13, 2024 /PRNewswire/ -- Rislone introduces DEF Crystal Clean™ Diesel DEF & SCR Emissions System Cleaner. This one-of-a-kind product scrubs away crystal contaminants from the ...

Diesel has had a rough go of it during the last few years, but an increasingly commonplace technology is working to change the fuel's image and make diesel vehicles viable for the future. Kyle Hyatt ...

Shell Rotella has introduced its own Diesel Exhaust Fluid, designed for on-highway medium- and heavy-duty trucks as well as off-highway construction equipment and trucks. Shell Rotella DEF is a high ...

HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is probably ...

Shell Rotella has introduced its own Diesel Exhaust Fluid, designed for on-highway medium- and heavy-duty trucks as well as off-highway construction equipment and trucks. Shell Rotella has introduced ...

This story appears in the June 13 print edition of Transport Topics. The Environmental Protection Agency last week updated its guidance for certification of heavy-duty truck engines using selective ...

When it comes to reducing the nitrogen oxide (NOx) emissions of diesel-burning commercial vehicles, selective catalytic reduction (SCR) is firmly in place as today’s technology. And these systems are ...

Rislone DEF Crystal Clean Protects Diesel Emissions and Exhaust Systems Most drivers know the consequences of running out of fuel: The car or truck will stop running, and they’ll be stranded. But what ...

In the interest of keeping selective catalytic reduction (SCR) systems free of contamination, which can jeopardize the system’s sensitive (and expensive) catalyst, the DEFBooty can be installed over ...

This is part of FleetOwner's Fleets Explained, a Trucking 101 series to break down aspects of the trucking and fleet management industries. You can read more from the ...