By feedstock, I mean the hydrocarbons that are required for the bulk chemicals, fertilizers, plastics, rubbers, detergents, pharmaceuticals etc. that we take for granted.
And you still need trucks for last mile haulage.
And you still need trucks for last mile haulage.
Chemical feedstocks are only a small percentage of the petroleum market. The large majority is fuel. If you stop burning it there is plenty of supply and you're not worried about whether you can get any from Iran.