Japan started its largest-ever release of oil from its national reserves Thursday as part of a global effort to stabilize supply and counter the economic effects of war in the Middle East.?

It is the second-ever such release by Japan, and the second-largest contribution among the 32 nations involved in the coordinated intervention.?

At 10:59 a.m. on Thursday, the Japan Organization for Metals and Energy Security commenced the release of about 400,000 kiloliters (2.5 million barrels) of oil from the Kikuma National Petroleum Stockpiling Base in Imabari, Ehime Prefecture.?