Reuters: Virgin Atlantic Airways will start using General Motors Corp zero- emission fuel cell cars as limousines for VIP passengers in the United States, the latest move by Virgin founder Richard Branson to present his airline as the greenest in the market. The scheme, unveiled by Branson and GM in New York Monday, will put three of GM’s Chevrolet Equinox hydrogen fuel cell cars into Virgin’s limousine fleet in Los Angeles this month, ferrying its first class passengers to and from the …