They could always hedge these using financial products, albeit at a cost. Arnold makes an excellent point about the highly fragmented European market, which likely serves as a greater barrier than FX risk.Tesla bears the full currency risk when entering the European market. Most expenses for Model S production will be in $. If Euro drops in relation to $ after Tesla set the European sales price, the gross margin is diminished. If Euro rises, the car might become too expensive. Financial preclusion to currency risks have a price sticker, too.