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 ...
It's no secret that diesel engines have experienced significant growth over the past two decades. Today, many manufacturers, including Subaru, Volkswagen, and Audi, are choosing diesel, as it is more ...
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 ...
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EPA targets DEF-related derates in diesel trucks
The U.S. Environmental Protection Agency is urging truck and engine makers to adjust diesel exhaust fluid (DEF) software to prevent severe power restrictions caused by DEF system faults. Current ...
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 ...
One of the highlights of Volvo Group's ACT Expo press conference was the unveiling of its EPA 2027 D13 engine. Volvo Trucks North America launched its next-generation Volvo D13 engine for EPA 2027 ...
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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