> they pay sales tax on equipment they purchase at their factories
Most states exempt equipment purchased by manufacturers from manufacturing their products from sales tax. I believe many also exempt raw materials that go into those products.
That Tax Foundation says [1] that both California and Texas (which I believe are the states where Tesla has factories) are states with such an exemption, although I'm seeing other sources that say that California's is just a partial exemption.
Most states exempt equipment purchased by manufacturers from manufacturing their products from sales tax. I believe many also exempt raw materials that go into those products.
That Tax Foundation says [1] that both California and Texas (which I believe are the states where Tesla has factories) are states with such an exemption, although I'm seeing other sources that say that California's is just a partial exemption.