Maven, General Motors' car-sharing service, is being shut down in about half of the 17 North American markets it operates. The company wouldn't say Tuesday where Maven will continue to operate, but it confirmed that it's pulling out of New...

General Motors' Maven car-share will make a big change next year. The brand's Peer Cars service let users share non-GM vehicles, Automotive News (subscription required) reported on Monday. The move could be a step toward Maven allowing users to rent...