GM’s Stephens: One Architecture Per Category is Plan

One of General Motors Co.’s post-bankruptcy goals is to whittle down its global platforms to one per segment, the auto maker’s product-development chief says.

“That might be one of the main strategies we have for GM,” says Tom Stephens, vice chairman-product development. “If I look at our midsize architectures, and I don’t recall the exact numbers, but I think it’s (a planned reduction of) ...