There is plenty of misinformation swirling around, so here is what you need to know to sort fact from fiction.
The data collected will allow EPA to independently evaluate ongoing system failures. As of Feb. 2, engine manufacturers have 30 days to provide EPA with data on model years 2016, 2019 and 2023 ...
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 ...
New guidance to engine manufacturers will reduce "derating," an automatic trigger forcing diesel engines to operate at a reduced capacity when the emissions system runs out of diesel exhaust fluid or ...
The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...
The short answer to why Diesel Exhaust Fluid doesn't work in the cold: It freezes at 12 degrees Fahrenheit. Comprised primarily of deionized water and urea, DEF serves to help make large diesel ...
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