Tepco on Friday started increasing the amount of water it is injecting into the No. 1 reactor at the Fukushima No. 1 power plant in hopes of providing stable cooling for the damaged nuclear fuel inside.
Tokyo Electric Power Co. plans to fill the reactor’s primary containment vessel with enough water to submerge the fuel over the next 20 days or so, and start operating by June an air-cooling device it hopes will reduce the temperature of the water circulating around the reactor, company officials said.
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