View larger image Is Bitcoin making a comeback at Tesla? Nick Miotke / Roadshow Tesla CEO Elon Musk, a passionate actor on the cryptocurrency market said on Thursday that the carmaker elElectricity would be very likely to start accepting Bitcoin again, having stopped doing so in May. However, Musk expects the digital currency mining and related operations to bring more renewable energy into the world. Concretely, he wants to see at least 50% of renewables used and make sure the number is on the rise. Reuters reported on Musk Comments section B Word cryptocurrency conference . It implied Tesla's decision to withdraw the payements Bitcoin came after the CEO wanted a little more due diligence to confirm renewables trends. Musk added that Tesla cannot be a company focused on accelerating sustainable energy and also support the high energy consumption associated with Bitcoin. The CEO said he also owns Bitcoin personally, as does SpaceX. Most of the cryptocurrency comes from Chinese miners, who rely heavily on coal to fuel their operations. In other words, this is not a climate friendly process . Tesla does not have a public relations department to respond to requests for comment. Tesla started accepting Bitcoin as a payment method for the automaker 's last March, but withdrew the option two months later. It's not clear if anyone has actually completed a transaction with Bitcoin, but one day they may have another chance. Learn more : Here's how much energy it really takes to mine Bitcoin and why people are concerned Roadshow Get on the driver's seat for the latest car news and reviews, delivered to your inbox twice a week.