Industry News | US Perfect Auto

EPA Proposes to Relax 2027 Heavy-Duty Emission Rules: Warranty, Useful Life, and SCR Derates

Cummins and PACCAR Ease DEF Derates: 5 mph Speed Limit Raised to 25 mph

Cummins Details Latest Holset Turbocharger Design Innovations for Commercial Diesel Engines

Class 8 Orders Jump 124% in May as EPA 2027 Pre-Buy Gets Underway