The ability to pay for subsidies has no relation to the source of the funds. What matters is GDP, overall national wealth. And Norway is only slightly ahead of the US. Considering the US’s far superior manufacturing capability, if Norway could go all electric, than the US certainly could have by now. Norway’s had to import almost all its electric cars; the US can make its own cars.
The ability to pay for subsidies has no relation to the source of the funds. What matters is GDP, overall national wealth. And Norway is only slightly ahead of the US. Considering the US’s far superior manufacturing capability, if Norway could go all electric, than the US certainly could have by now. Norway’s had to import almost all its electric cars; the US can make its own cars.