Months after telling manufacturers traditional diesel exhaust fluid (DEF) sensors are no longer mandatory for new trucks, tractors, buses, and other diesel equipment, the Environmental Protection ...

Add Yahoo as a preferred source to see more of our stories on Google. EPA wants to eliminate truckers stranded by engine failures. (Photo: Jim Allen/FreightWaves) WASHINGTON — In a move to end "limp ...

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 ...

The Environmental Protection Agency is asking diesel engine makers to provide information about diesel exhaust fluid system failures as it considers changes to emissions regulations. The move is a ...

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 ...

Washington, DC, June 15, 2026 (GLOBE NEWSWIRE) -- The Engine Technology Forum (ETF) today announced the launch of its new Selective Catalytic Reduction (SCR) & Diesel Exhaust Fluid (DEF) Policy and ...

The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about diesel exhaust fluid system failures that have affected farmers and truckers ...

WASHINGTON – On Tuesday, February 3, 2026, Administrator Lee Zeldin took another step to further the Trump EPA’s work to address widespread concerns from farmers, truckers, motor coach operators, and ...

We may receive a commission on purchases made from links. The government's strict emissions limits for combustion-powered vehicles have pushed automakers to develop technologies that let their engines ...