Car-sharing grows and Plugs-in
Car-sharing services are turning toward alternative-fuel vehicles as the technology improves and customers clamor to drive them.In San Luis Obispo, Calif., a service gets underway offering hourly rentals of electric, biodiesel, natural gas and ethanol-powered cars. In August, Baltimoreans will be able to rent a four-passenger electric car that can go 120 miles between battery charges.