Despite the dark clouds of smog, the people here will have to wait many more months before one of its top automakers, Kia, comes to market with hybrid vehicles, let alone zero-emission models.

The Borrego enters a crowded field of more truck-like mid-size SUVs, including the Ford Explorer, Nissan Pathfinder, Toyota 4Runner and Chevrolet TrailBlazer that are gradually losing favor to more ...