As the situation in the Middle East shows no sign of returning to normal anytime soon, the Strait of Hormuz remains closed, preventing nearly one-fifth of the world¡¯s oil exports from reaching their destinations.

On Friday, Japan will begin to release another 20 days¡¯ worth of oil from its domestic stockpiles. The use of stockpiles has led to potential fears about the ripple effect of a shortage on industries and individual consumers.

Here¡¯s a look at the situation.