Tesla says it won't be accepting bitcoin for vehicle purchases from now on.
Owner Elon Musk tweeted the company is concerned about the use of fossil fuels in bitcoin mining and transactions especially coal, which has the worst emissions of any fuel.
Inside look at one of China's Bitcoin mining factories that pose threat to environment
Footage, filmed on May 4, reveals the inside of a Bitcoin mining factory in southern China where 3,000 machines are powered day and..
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