It has been nearly a year since Cummins Incorporated - the maker ... The update optimizes diesel exhaust fluid (DEF) injection to reduce tailpipe nitrogen oxide (NOx) emissions.

Today, alongside their partners at Ram, Cummins Inc. (NYSE: CMI) unveiled the new 2025 6.7-liter Turbo Diesel Pickup engine system for Ram Heavy Duty, their most advanced diesel pickup engine yet.