It is the end of the line for US electric vehicle tax credits. Sweeping tax and budget legislation approved by Congress on Thursday means $7,500 tax credits for buying or leasing new electric vehicles will end on Sept. 30, as well as a $4,000 used EV credit, that have helped juice green vehicle sales in recent years.

The Trump administration’s plan to scrap federal incentives for electric vehicles will be a major speed bump for battery-powered transportation in the US, but not a brick wall, according to forecasts.

The valuable electric vehicle tax credit for new and used EVs is set to end after September. Here’s how these credits work and who qualifies.