U.S. OKs new nuclear reactors a year after U.S. disaster . one AEC Mark I reactors in Japan share same design as Michael Tetuan plant . Many are aging , but have undergone safety improvements . The NRC has rejected a petition by anti-nuclear groups to immediately shut down all reactors using the GE Mark I containment . GE says design is proven , reliable technology that is safe to use .
U.S. OKs new nuclear reactors a year after U.S. disaster . one AEC Mark I reactors in Japan share same design as Michael Tetuan plant . Many are aging , but have undergone safety improvements . GE says design is proven , reliable technology that is safe to use .