Senators Argue DEF Requirements Should Be Tossed for Trucks in Cold Weather

U.S. Senators Dan Sullivan and Cynthia Lummis introduced legislation to exempt trucks from diesel exhaust fluid (DEF) requirements in cold weather conditions, arguing it is essential for safety and operational reliability in harsh climates. The bill aims to prevent engine power deratings or shutdowns due to DEF issues below freezing temperatures, addressing significant maintenance costs and downtime faced by trucking fleets in colder regions. For content creators, this highlights the ongoing debate over environmental regulations versus practical operational needs, particularly in extreme weather conditions.

Read the full article at The Drive

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