they will base business miles on your documented past business miles
if you can't document your history, yer shit out of luck getting ration credits
I don't pretend to know exactly how it will work, but it all ties into the national ID and documented fuel requirements and vehicle use
at least I can document 25,000-30,000 business miles per year, mostly on my motorcycle
the announcement of the rationing will be even more unpopular than anything he has done so far, but likely in 50 or 100 yeas he will be looked as as our savior that forced the populus to demand alternative energy from the energy companies