The EPA is proposing earlier warnings before diesel trucks enter derate mode. Industry leaders say the rule is a step, but not enough.
Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. The Environmental Protection Agency wants to change how diesel trucks respond when their emissions ...
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 ...
EPA approved guidance allowing diesel manufacturers to replace urea quality sensors with NOx sensors in DEF systems. The agency said faulty DEF sensors are a significant source of warranty claims and ...
Hosted on MSN
EPA rolls back DEF rules after months of diesel delete buzz: Here’s what actually changed
For months, diesel truck owners have wondered whether the Trump administration would dramatically roll back EPA emissions regulations and finally open the door to legal emissions deletes. On Thursday, ...
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 EPA is targeting faulty DEF sensors with new guidance allowing a different type of sensor to monitor NOx emissions in diesel engines. In the Trump administration’s latest steps to address the ...
The quality of the DEF going into your vehicle is as important as the quality of the engine oils or fuels used in your vehicles. When diesel-powered trucks sit idle for extended periods, it’s easy to ...
DEF sensors are more than just emissions components—they are key tools for managing fluid costs and optimizing vehicle ...
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 ...
The Environmental Protection Agency wants to change how diesel trucks respond when their emissions equipment runs out of diesel exhaust fluid or develops a fault. Under a newly proposed rule, future ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results