The updated software gives Mack and Volvo truck owners more time to address DEF-related issues before the engine derates or the vehicle goes into reduced-speed inducement, following new EPA guidance.

Volvo Trucks and Mack Trucks on Monday announced updates to their diesel exhaust fluid (DEF) software to increase the minimum speed for DEF-related engine derates, in accordance with updated ...

Mack Trucks and Volvo Trucks are expanding the availability of updated diesel exhaust fluid (DEF) inducement software across their North American truck lineups, giving fleets more time to address ...

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

One of the highlights of Volvo Group's ACT Expo press conference was the unveiling of its EPA 2027 D13 engine. Volvo Trucks North America launched its next-generation Volvo D13 engine for EPA 2027 ...