GM Rolls Out Cleaner Duramax

MILFORD, MI – General Motors Corp.’s Powertrain division unveils the latest version of its heavy-duty Duramax V-8 turbodiesel, which aims to maintain class-leading performance while conforming to stringent new U.S. emissions requirements taking effect next year.

Highlighted at a GM Powertrain technology event at the auto maker’s proving grounds here, the new 6.6L Duramax is the first GM ...