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Emissions and noise mitigation through use of electric motorcycles

Transportation Safety and Environment 2019年第2期1卷 164-175页

作者： Michael Hernandez Kara M.Kockelman James O.Lentz Jooyong Lee Department of Civil Architecturaland Environmental EngineeringThe University of Texas at Austin301 E Dean KeetonECJSuite 6.9AustinTX 78712-1076USA

Gasoline-powered motorcycles contribute disproportionately to traffic noise and emissions,so motorcycle electrification merits *** advances in battery efficiency allow electric motorcycles(EMCs)to join electric cars and bicycles as a viable consumer *** study quantifies noise and emissions using both simulations and experimental data,examines the factors that make motorcycles big offender and uses popular EMC makes and models to estimate the costs and benefits of electrification in the *** produce more CO,CH4,NOx,HC and particulate matter per vehicle-mile travelled than passenger *** to limited regulation of motorcycles and weak enforcement,the perceived noise level of motorcycles exceeds that of most other vehicles,being roughly double those of automobiles at speeds of over 30 mph and surpassing even those of medium trucks and buses at speeds of over 50 mph,at which point motorcycles exceeds the 80 dBA US standard *** can resolve such issues,although range limitations and high prices are presently a barrier to widespread *** order to realize these environmental benefits,it is important that electrification occurs with a corresponding shift away from coal as an energy *** emission regulations and stronger enforcement of existing prohibitions on certain forms of customization could also reduce the outlier status of gasoline-powered motorcycles.

关键词： motorcycles electric motorcycles motorcycle emissions motorcycle sound emissions electrification

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