The engine features a direct injection fuel system, high-compression ratio of 12.5:1, cooled exhaust gas recirculation and a variable displacement oil pump. The Voltec range extender runs on ...

Via Motors, which turns trucks into Volt-like hybrids, is trying to win new customers as it plans to boost production. The Orem, Utah-based company -- founded in 2010 -- retrofits GM pickups and ...