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EPA removes DEF sensors from trucks to reduce failures and prevent sudden slowdowns.
The EPA has removed the requirement for Diesel Exhaust Fluid (DEF) sensors in heavy-duty trucks, replacing them with NOx sensors to fix frequent failures that caused sudden slowdowns.
Starting in 2027, trucks will warn drivers for 650 miles after a fault before mild restrictions apply, reducing costly shutdowns and downtime for truckers and farmers.
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La EPA quita los sensores DEF de los camiones para reducir las fallas y evitar ralentizaciones repentinas.