Audi AG next year reportedly will increase the displacement of its highly regarded 3.3L DOHC V-8 turbodiesel. More importantly, the engine and the auto maker’s upcoming new range of modular vee turbodiesel engines will employ blocks made of compacted graphite iron (CGI), a lighter-weight alternative to cast iron that is more robust than aluminum. Audi apparently likes the experience it's had with CGI for the existing 3.3L V-8 turbodiesel and will expand the material's use for its future ...

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