Response to question whether this $100 a barrel oil is possible is yes, if something big happens in the oil flows from middle east or if there is a Katrina style hurricane. Reason being that oil demand has not slackened up either from Asia or from the U.S. automobiles. How would this impact the USA, Europe, Asia? The impact on Japan and Europe would be less because of the high efficiency in use energy use. This could slowdown the U.S. economy considerably as gasoline approaches $5 a barrel. India would be hurt with a drop in GDP growth from 8% to 6% according to an estimate by Crisil, Mumbai. It would affect Chinese growth also but the main impact would be indirect through a decline in the U.S. market for Chinese made products. Russia would gain and economic growth there could accelerate further from 6% to 9% according to estimate by MDM Bank, Moscow.