Add Yahoo as a preferred source to see more of our stories on Google. (Photo: Jim Allen/FreightWaves. Diesel Exhaust Fluid pumps like this one have become a lifeline and a headache for truckers — and ...
The American Petroleum Institute (API) has been licensing diesel exhaust fluid (DEF) since 2009, and despite its longtime existence, DEF continues to cause some issues for fleets. “DEF is highly ...
Manufacturers' required DEF derates will soon be less severe. Current equipment may enter limp mode and slow to 5 mph, or stop altogether until a DEF fault is cleared. The EPA's new guidance for ...
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