Even though it ordered the company to revamp its maintenance rules and submit a new inspection plan, the authority said the government-backed company failed to fulfill the order quickly and failed to properly inspect some parts.

WSJ: Panel: Active Fault Runs Beneath Japan Reactor

Mr. Cameron rightly argues that EU regulations are often overly-prescriptive and that, by extending into areas such as employment rules not strictly necessary for the maintenance of a single market, have become a growth-sapping burden on European business.

WSJ: Two Ways to Look at Sovereignty Issue