“Novelty and Tradition Meet at North America’s Largest CV Show: Daimler Presents the Detroit Component Brand and Celebrates the 70th Anniversary of the Freightliner Truck Brand” The Detroit brand engines, transmissions, and axles will be available in all DTNA trucks. This includes the proven engines of the types DD13, DD15, and DD16, which meet the current EPA 2010 emissions standards in the U.S.