Mega is a million, Giga a billion, so it would actually be a Terabuck

Don’t be pedantic. I meant that they have to buy a new car if they want to keep driving, which most of them probably will, since they wouldn’t be driving in the first place if there was a better alternative

They can, but will they?

But who checks that?

That would mean lots of people would have to buy a new car, which is much worse for the environment than to keep driving an SUV

It woulf take years and years to pass such a ban in a significant number of countries - assuming they would ever want to cooperate on this, that is

A lot still do, and that’s where the miners would go

If you destroy Bitcoin, another currency would take its place.