Bailout May Push Buick-Pontiac-GMC Channel Over Top

A viability plan General Motors Corp. submitted to the U.S. Congress Tuesday finally may provide the auto maker’s Buick-Pontiac-GMC channel the focus it has lacked up to now.

Chevrolet, Cadillac, Buick, and GMC currently account for 83% of GM’s sales and according to the viability plan will serve as its core brands going forward.

GM in recent years had sought to combine its Pontiac, ...