Just go up!
Nonsense. Regardless of technology, the energy consumption of Bitcoin mining will tend up to the amount where the money spent upon it will be ever so slightly less than the dollar value of the bitcoins mined. Basic econ 101.
Nonsense again. It has been discussed over and over and over and...
N00b.
If you want a shitcoin with some other algorithm, there are hundreds to choose from. Why are you focused upon destroying bitcoin?