Tokyo Electric Power Co. announced Sunday that it will take six to nine months to complete a cold shutdown of the damaged reactors at the Fukushima No. 1 power plant, while the United States proposed a daring plan to use a remote-controlled helicopter and cranes to pluck out their spent fuel rods.

The "road map" represents the first specific time line Tepco has issued for getting the radiation crisis in Fukushima Prefecture under control.

If all goes well, displaced residents from the evacuation zone should know within six to nine months whether they will be able to go home, trade minister Banri Kaieda said.