Yeah, more importantly: until cities are 100% EV, I wouldn't worry about rural. Realistically, we can probably just never worry about it: there are far more cars used in cities then in the country.

In a case where you're trying to get emitted CO2 to zero, you'd probably prefer to just subsidize ethanol and renewable diesel to manage super-long haul to get their - too many tractors and other equipment we also need to run.