Problems with prototype Monju reactor threaten nuclear fuel recycling plan

Problems with prototype Monju reactor threaten nuclear fuel recycling plan"

"Monju is the prototype fast-breeder nuclear reactor under development. The government has spent more than 1 trillion yen ($8.27 billion) on the project.
But its repeated safety problems have left the reactor idled much of the time since it first achieved criticality in 1994."

http://www.japantoday.com/category/national/view/problems-with-prototype-monju-reactor-threaten-nuclear-fuel-recycling-plan