General Motors Diesel Division Division. In 1965 GMDD was absorbed by the General Motors Detroit Diesel Engine Division. General Motors Diesel Division is not to be confused with General Motors Diesel, Ltd., the Canadian subsidiary of EMD formed in 1949, or the Diesel Division of General Motors of Canada, the entity for General Motors of Canada's diesel equipment manufacturing operations formed in 1969. Diesel engines produced by the General Motors Cleveland Diesel and Detroit Diesel Engine Divisions General Motors Diesel Division General Motors Diesel Division (GMDD) was a marketing and customer service unit of General Motors founded in 1938. It sought customers for GM's
General Motors EV1 companies' unreadiness to meet the ZEV requirement. In 2001, it proposed amendments that would grant automakers credit for producing advanced-technology, partial-zero emission vehicles, such as hybrid cars, in place of battery EVs. However, the industry used the relaxation of the rules to challenge the regulation as a whole. General Motors and Daimler-Chrysler filed suit against CARB in the US District Court in the Eastern District of California, successfully arguing that CARB's method of determining whether or not a vehicle qualified as an Advanced Technology Partial ZEV (AT PZEV) used the vehicle's fuel economy as one of the standards, in addition