Tesla will be 'most likely' to accept bitcoin as a form of payment again when its mining rate Up to 50% of cryptocurrencies are renewable, CEO Elon Musk said Wednesday at a virtual debate hosted by the Crypto Council for Innovation, remarks consistent with The message he made last month on SLOTXO Twitter.Tesla began accepting bitcoin as a form of payment in February. At the same time the company bought $1.5 billion of bitcoin in its history. before rejecting the decision only three months later. citing environmental concerns Cryptocurrencies Get a bad rap for power consumption because they really use a lot of energy. At least most do Bitcoin and Ethereum, two of the space's biggest currencies.