1) They've said that date before. They set dates for stuff all the time which are far away. I wouldn't put too much into it.
2) Says the current government which has an election in like a year. There are a lot of elections between now and 2035. All it takes is one, and those new "regulations" are toast.
3) I'd expect that will be only on the sale of "NEW" cars in Canada. However there will be millions of used cars in Canada that will still need to be driven, bought, and sold for decades to come. Should be a nice used car market. No doubt there will be speculators buying up cars as 2035 approaches lol
4) Exemptions upon exemptions, upon exemptions. Expect them. Government? Military? Corporate? Business? Agriculture? Etc...
5) Imports... Currently can import cars 25 years out of date, a nice cheater might be to quietly lower that threshold...
Anyway we'll see, but I expect a lot of the above. Be interesting to look at whichever Nordic country did it not too long ago, might have been Finland or perhaps Norway can't remember (Sweden?), anyway to see how the EV roll out and oil burner ban was done and how it worked(ing) out...
In the sciences, we are now uniquely priviledged to sit side by side with the giants on whose shoulders we stand. -- Gerald Holton