Japan's nuclear regulator on Wednesday effectively banned Tokyo Electric Power Company Holdings Inc. from restarting its largest nuclear plant due to serious safety flaws, dealing a blow to the utility's efforts to turn its business around following the 2011 Fukushima nuclear disaster.The Nuclear Regulation Authority formally issued the order not to transport nuclear fuel stored at the Kashiwazaki-Kariwa plant in Niigata Prefecture or loading it into reactors until corrective actions are taken to address the complex's security breaches.The order was the first of its kind issued to a commerc…READ FULL ARTICLE