Renewable energy will cut the cost and is just another area where the US is missing the boat. China certainly took the bull by the horn and made the commitment. Leaving the environmental aspects aside, it simply is more economical to go this route.
One of the companies, perhaps it is HIVE, I read is allowing regular people to invest in much like a gold miner. They simply mine for Bitcoin and share the proceeds with all who own the stock.
Welcome to the 21st century.
RE: How Many Barrels Of Oil Are Needed To Mine One Bitcoin?