Shewmake, Sharon (2010): Can carpooling clean the air? The economics of HOV lanes, hybrid cars and the Clean Air Act.
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Private vehicles are a significant source of air pollution in many areas of the United States. Areas with already high levels of air pollution are required by the Clean Air Act to take steps to reduce automobile use and the associated emissions. The behavioral implications of many travel demand management techniques are poorly understood. In this dissertation I focus on carpooling. Policy makers encourage commuters to carpool through High Occupancy Vehicle (HOV) Lanes, free parking for carpoolers, attempts to connect carpoolers, and casual carpoolers (often called slugging). Despite these e