Since the '70s, emissions regulations have become increasingly demanding. Making our engines run clean is always a hot topic for manufacturers, and only recently have they found ways to meet the ...

Hypertech’s Max Energy 2.0 Programmer Adds 45 hp and 68 lb-ft of torque to ’11-to-’16 6.6L Duramax LMLs Just outside Chet Kokkeler’s office sits the fleet of trucks, equipment, trailers, and vehicles ...