Yes, you get EMP, but at that level, everything you surged is either squashed flat by the pressure wave or melted/ignited by the thermal pulse. If I'm on fire then put out by a wall of air moving at mach, I'm not so worried about my car not starting as I am about being a lightly smoking, radioactive pile smear of grease.

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-IronRaven

When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.