Plug-in Electric Vehicles (PEVs) are considered one solution to reducing GHG emissions from private transport. Additionally,\nPEV adopters often have free access to public charging facilities. Through a pattern analysis, this study identifies five distinct\nclusters of daily PEV charging profiles observed at the public charging stations. Empirically observed patterns indicate a significant\namount of operational inefficiency, where 54% of the total parking duration PEVs do not consume electricity, preventing other\nusers from charging. This study identifies the opportunity cost in terms of GHG emissions savings if gasoline vehicles are replaced\nwith potential PEV adopters. The time spent in parking without charging by current PEV users can be used by these potential PEV\nusers to charge their PEVs and replace the use of gasoline.Theresults suggest that reducing inefficient station use leads to significant\nreductions in emissions. Overall, there is significant variability in outcomes depending on the specific cluster membership.
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