0-6763 : accounting for electric vehicles in air quality conformity.
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2014-08-01
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Abstract:Electric vehicles (EVs) are broadly defined as ; vehicles that obtain at least a part of the energy ; required for their propulsion from electricity. This ; research focused on the three main types of EVs: ; Hybrid electric vehicles. ; Plug-in hybrid electric vehicles. ; Battery electric vehicles. ; In recent years, several new and affordable models ; of these types of vehicles have become available, ; and the market for EVs continues to grow. ; The increased proliferation of EVs is of importance ; to transportation agencies for a variety of reasons, ; ranging from revenue implications, to ; infrastructure and operational support needs. ; Another aspect is the implications for emissions ; and energy use. By obtaining part or all of the ; energy needed for propulsion from electricity, EVs ; can potentially achieve higher energy efficiencies ; and result in less exhaust emissions when ; compared to conventional vehicles powered solely ; by internal combustion engines. However, there is ; limited research on the emissions implications of ; increased EVs in the vehicle fleet. Additionally, in ; the case of plug-in hybrids and battery electric ; vehicles, the energy consumption and emissions ; associated with grid electricity used for charging ; the vehicle batteries also need to be considered.
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