DTNA releases DEF DeRates software update
The fifth generation Freightliner Cascadia. (Daimler Trucks North America) June 23, 2026 1:45 pm, EDT key takeaways: Daimler Truck North America began rolling out the optional DEF induction software update to approximately 330,000 in-service Detroit-powered vehicles in February. The revised parameters increase the final-spur speed limit by 5 mph to 25 mph and increase time