VW executive optimistic about emissions fix

LAS VEGAS (AP) — A top Volkswagen executive says constructive discussions are happening with the U.S. Environmental Protection Agency and the California Air Resources Board about those diesel engines that cheat on emissions tests. Speaking at the CES electronics show, Brand CEO Herbert Diess says he's optimistic that U.S. environmental regulators will approve fixes within the coming weeks. Diess spoke as the company unveiled a concept of an electric-powered Microbus.