Japan has a minimum 150 day crude oil supply in storage

Picture: Gasoline prices Japan 

"Countries including Japan and the US have a mandated 150-day minimum fuel supply in storage and more when crude oil stocks are considered."



Source: Doubts over Australia's fuel security as bureaucrats admit not knowing reserves 
By Heath Aston February 6, 2015 
The AGE Newspaper 
http://www.theage.com.au/federal-politics/political-news/doubts-over-australias-fuel-security-as-bureaucrats-admit-not-knowing-reserves-20150205-1366vq.html