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Detroit Diesel started as the GM Diesel Division, formed by General Motors in 1938. It initially produced the Series 71, a two-cycle engine for military and construction use. In 1955, GM Diesel ...

GM used to offer diesel engines in its big SUVs nearly 40 years ago, and it once again has found the diesel religion, making its turbo-diesel 3.0-liter Duramax six-cylinder engine available not only ...