Who says they will be subsidized. Gas & Oil have been subsidized for decades with tax breaks and incentives every single year. If you paid the real cost for gas then you would be singing a different song.

http://thetyee.ca/Opinion/2014/05/15/Canadas-34-Billion-Fossil-Fuel-Subsidies/


And they continue to this day or providing incentives which otherwise would cost you and me

http://www.economy.gov.sk.ca/drillingincentives
http://calgaryherald.com/business/energy/ndp-to-move-ahead-with-oil-and-gas-incentive-programs

And actually I know a person with a model s who is ordering a new Tesla so people do come back. Do people that by Minivans always return to another Minivan. Do people who buy Nissans always buy another Nissan? Your comment is baseless.

All new innovations require a certain amount incentives to grab a foothold and if it's to make our world a better place then I am all for it.