Battery electric vehicles 1 Difference-in-differences 1 Electric automobiles 1 Electric vehicle charging 1 Electric vehicles 1 Energy efficiency 1 Financial incentives 1 Network externality Rebates 1 Sales 1 Secondary batteries 1 Tax incentive 1 Tax incentives 1 Taxation 1 Technology adoption 1 Vehicle registration 1 data set 1 electric vehicle 1 energy storage 1 environmental economics 1 innovation 1 production cost 1 tax incentive 1 technology adoption 1