As far as the car parts go, it will probably depend on which company we're talking about to begin with and then what part of Japan those factories are in. Also don't know why you can't build those parts here anyway. Besides there are always other manufacturers to buy cars from.

I agree with the others not sure why this is a major concern in the first place. However in an article I read it was nice to hear that Nissan stated none of their workers were injured and all are accounted for. They also stated all of their plants are in the southern part of the country.