“Americans have lived without running water and electricity. They were called your great great grandparents.”
Do understand what an EMP pulse does? It fries electronic circuitry - maybe. A vehicle with electronic ignition MAY need a new ECU(engine control unit) or it may not after an attack. Vehicles and agricultural equipment stored in metal buildings will be protected. Antique vehicles will still work. Electronic car parts stored in a metallic buildings will be protected. If your house has a metal roof you stuff will be protected. SEL airplanes will still work as well as boats with outboards that do not have electronic ignition. The subways will still work.