Car sharing optimizes under-utilized vehicles with RFID technology for authentication and identification. …
… “A few days later, a membership card arrived.
Embedded in it was an RFID chip that gives me access to the RelayRides fleet. “ …
via Boston Globe: RelayRides.
Person to Person car sharing with RelayRides.
RelayRides is the world’s first peer-to-peer carsharing service.
RFIDa: RFID Technology is an internet destination dedicated to documenting the application of radio frequency identification technologies. 
