Class 8 trucks are solved. Volvo, Freightliner and Tesla all make electric semis. They're not a large percentage of the installed base yet but there is nothing that needs to be invented, only adopted, and the latter will pick up as the battery costs continue to decline.

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.