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 ...

Diesel Exhaust Fluid (DEF) is a crucial component in modern diesel vehicles, introduced to comply with US Environmental Protection Agency (EPA) regulations that began in 2010. It's a solution made up ...

The Environmental Protection Agency on Tuesday announced a "fix" to "protect American farmers, truckers, and other diesel equipment operators from sudden speed and power losses caused by diesel ...

The news from the Environmental Protection Agency concerning aftertreatment system faults in heavy-duty diesel trucks Tuesday this week, as previously reported, urged software updates to processes for ...

U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin on Tuesday urged engine and equipment manufacturers to revise system software to prevent sudden loss of power from engine derates ...

The Environmental Protection Agency announced it is taking actions to ease the frustration and disruptions around sudden “derates” of diesel engines when they run out of diesel exhaust fluid or have a ...

[Stay on top of transportation news: Get TTNews in your inbox.] The Environmental Protection Agency is directing truck manufacturers to revise software in new and existing trucks to prevent engine ...