GM Outlines Powertrain Plans for '07, Beyond

PONTIAC, MI – General Motors Corp., in an effort to improve both the performance and fuel economy of its vehicles, unleashes a flurry of revisions to its future powertrain lineup.

Unveiled here at GM Powertrain’s headquarters, the changes include 19 all-new or significantly revised engines and transmissions for ’07 vehicles.

Although several of the new powertrains already have been detailed in current or soon-to-be-released vehicles, Tom Stephens, group vice president-GM ...