Support CleanTechnica's work through a Substack subscription or on Stripe. The automotive press is abuzz with news that the automotive marketplace Carvana has been considering — or has already made — an investment in the Jeff Bezos-backed EV maker Slate Auto. Carvana is best known for its used car business, so the interest in Slate is rather interesting, considering that Slate does not have any used cars on the market. The startup doesn’t even have any new cars on the market, for that matter.