Chevrolet introduces second-generation Duramax 4-cylinder diesels; global engine
Green Car Congress
OCTOBER 11, 2013
Better efficiency also means better reliability, economy as well as lower emission levels. Water-cooled turbo. The improved variable-geometry turbo incorporates a water-cooling system in the turbine housing to reduce heat when operating at high speeds and full load. —Nicola Menarini, Global Chief Engineer, GM Powertrain.
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