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http://carpoolbg.com/

Carpooling (also known as ride-sharing, lift-sharing), is shared use of a car, in particular for commuting to work, often by people who each have a car but travel together to save costs and in the interest of other socio-environmental benefits mentioned below. There are sometimes special facilities for carpoolers, including designated pick-up points and high-occupancy vehicle lanes which are also at times opened up to designated cars with multiple riders.