Elon Musk has announced that when there is “confirmation of reasonable (~50%) clean energy usage by miners with positive future trend,” Tesla will start accepting bitcoin for payments again.
“This is inaccurate. Tesla only sold ~10% of holdings to confirm BTC could be liquidated easily without moving market. When there’s confirmation of reasonable (~50%) clean energy usage by miners with positive future trend, Tesla will resume allowing Bitcoin transactions.” he responded to a Cointelegraph tweet about recent accusations from Sygnia CEO Magda Wierzycka, who called on the SEC to investigate him for allegedly manipulating Bitcoin’s price.
Source:
https://azcoinnews.com/elon-musk-tesla-will-start-accepting-bitcoin-for-payments-again.htmlOne of China's most influential miners respond to Musk on Twitter that Bitcoin mining was now mostly green.

Maybe it's just the mines in China, because he claims that the mining facilities located in Xinjiang, Qinghai and Inner Mongolia have been closed due to the government's ongoing repression of industry, and only the hydropower farms located in Sichuan have survived. unharmed, according to a famous miner.
However, a number of sources claim that more than half of Bitcoin's mining (the threshold set by Musk) is already renewable.