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 ...

About two decades after the launch of the 6.6-liter Duramax V8, GM's 3.0-liter Duramax inline-six turbodiesel arrived in 2019 with a promise to deliver "outstanding fuel economy, great horsepower, and ...

The U.S. Environmental Protection Agency (EPA) issued new guidance to engine manufacturers on Aug. 12 regarding diesel exhaust fluid (DEF) systems to prevent unnecessary engine shutdowns and power ...

Nebraska Attorney General Mike Hilgers supports the EPA announcement regarding DEF system failures. "Consumers have the right to repair their diesel equipment to ensure they function properly and ...

EPA administrator Lee Zeldin and SBA administrator Kelly Loeffler reveal a solution to DEF system problems that have plagued truckers and farmers for over a decade. These Sam's Club items basically ...

Under certain conditions, the water in DEF can evaporate, leaving behind white crystal urea deposits. Over time, these crystals can build up, clogging system components and interfering with normal ...