The federal, Ontario and Quebec governments have provided massive subsidies – an estimated $43.6 billion, according to the Parliamentary Budget Officer – to Stellantis, Volkswagen and Northvolt for EV battery-manufacturing plants. But many smaller companies in the EV supply chain are looking to the tax credits for support, so that the parts and other ingredients required by the multinationals don't have to be sourced outside of Canada, Darby said.