Quintessential capitalism

FEW companies are hailed as proof of free-market genius more than Tesla. Yet, at every turn that mattered, it stood on public capital. In 2010 it borrowed $465m from a US federal programme open to every carmaker building cleaner vehicles, in a country where transport is now the largest source of greenhouse gases. It paid the Treasury’s own cost, roughly one to 3.4 per cent, with principal deferred until production began. One of the smallest borrowers, it became the star, repaying with interest nine years early. Regulatory credits, earned by beating emission rules and bought by those that fall