WASHINGTON – The EPA dismissed Navistar’s bold claim that its rivals’ SCR engine systems are routinely ‘tricked’ and circumvent the 2010 emissions regulation, but the agency did propose tougher ...

The move from Tier 3 to Tier 4 Final diesel engines above 74 horsepower brought with it a whole grab bag of new components and systems – diesel particulate filters (DPFs), diesel oxidation catalysts ...

Manufacturers are busy rolling out solutions to meet Final Tier 4 off-road requirements for diesel engine exhaust emissions, and the technologies look very familiar to those already in use in the ...

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 ...

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 ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

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 ...

This story appears in the Jan. 4 print edition of Transport Topics. Click here to subscribe today. Diesel exhaust fluid, the additive that most 2010 trucks will need to run, will be available at about ...

Discover the latest DEF market trends with our comprehensive word article. Get insights on key drivers, restraints, growth factors, and government statistics to stay informed on this important ...