Electric cars will only be a means of transport with lower emissions than cars running on fossil fuels.
We cannot compare Bitcoin and electric cars because it belongs to two different application areas.
If comparing Bitcoin with altcoins with other mining mechanisms like POS or hard drive mining like CHIA, CONFLUX, BURST, it will be fairer.
I think Elon Musk is right about Bitcoin. But unfortunately, he is not a legislator so we need to listen to the government instead of Elon Musk.