期刊
ENERGY POLICY
卷 149, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.enpol.2020.111890
关键词
Total cost of ownership; Electric vehicles; GHG emissions; CO2 emissions; Transport decarbonisation; Life cycle costs
The study found that some electric car models from mass market brands are close to reaching cost parity with traditional vehicles, but subsidies are needed for faster market penetration. Plug-in hybrid electric vehicles are not worth the investment, while subsidies are necessary for the mass market penetration of battery electric vehicles in the short term.
We analyse the total cost of ownership of petrol, diesel, hybrid electric vehicles, plug-in hybrid electric vehicles and battery electric vehicles in the UK over 2017-2029. We do this for large, medium and small cars, under assumptions of 0%, 6%, 30% and 60% discount rates. We find that some electric car models from mass market brands are close to reaching cost parity with their petrol, diesel and hybrid counterparts, but subsidies would accelerate their uptake, especially for impatient consumers with high discount rates. Plug-in hybrid electric vehicles are not worth the effort because, although relatively low, their CO2 emissions are non-zero, and their purchase price is as high or even higher than that of battery electric vehicles. A subsidy of 4,500 pound or an exemption from the 20% VAT, perhaps capped at 4,500 pound, would accelerate mass market penetration of battery electric vehicles in the UK. If decarbonising road transport were not as urgent as it is, the market for battery electric vehicles could be left to develop on its own, without government intervention. However, because the cost of batteries is not falling fast enough, subsidies are needed in the short term.
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