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E-book Small Electric Vehicles : An International View on Light Three- and Four-Wheelers
Cities are growing worldwide due to an increasing population, and simultaneously,motorization intensifies. Challenges such as local environmental pollution, a lack ofspace, and saturation of existing infrastructure are thereby becoming more pressing.The urgency to act and the need for new forms of mobility sets the tone not only forpolitics, urban, and transport planning but also leads some companies to offer newsolutions. One contribution to climate protection and to cope with local challenges is the deployment of small and lightweight electric vehicles when replacing heaviercars and being applied together with other ecological transport modes like publictransport.This paper discusses benefits and drawbacks that could result through a morewidespread usage of SEVs in cities. Adding to a literature-based research is resultsfrom qualitative and quantitative methods in a mixed-method approach. Analysesinclude expert interviews and an online survey. The results show that these vehiclesbring many advantages within urban areas. In addition to other aspects, especiallylower land use due to the small vehicle size offers potential by conversion of trafficareas and increased air quality. If SEVs would replace vehicles with internalcombustion engines (ICE), significantly fewer air pollutants could be emitted. Dueto their lower weight and maximum speed, they are even more energy-efficient thanmost normal battery electric vehicles (BEV).Nevertheless, the survey showed that there are many hurdles to be overcome.These drawbacks affect the development of the vehicle technology and transportplanning within the cities. These include, for example, safety aspects, e.g., as thevehicles are very light which is often connected to lower passenger safety and crashtests are not required by EU law for type approval of this vehicle category. Anexample for drawbacks regarding city planning is that most cities are not designedfor these vehicles and therefore do not offer advantages in use, such as privilegeduse of lanes or parking spaces. In a global comparison in some world regions, thereis a large market for SEVs such as the Asian countries China, Japan, or India [1].Europe and the United States, however, only show small sales numbers [2,3].In the following, the term SEV willfirst be narrowed down and explained. Then,advantages and limitations of the vehicles are presented using literature researchsupported by the results of a qualitative and quantitative survey. For the last section,a future vision of how urban mobility could look like is drawn including all types ofmobility.SEV definition. SEVs in this chapter are referred to three- and four-wheeled Lclass vehicles according to EU Regulation No. 168/2013. They also include electricvehicles of categories M1 or N1 which do not exceed 3.5 m, a maximum drivepower of 55 kW, and an unladen weight of up to 1200 kg.
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