A was about to change its position from a major oil consumer into that of a net oil exporter.
B could dramatically increase oil exports to nearly one million barrels per day to world markets.
C was able to expand its deep-water oil resources and restrict biofuels output in the recent years.
D implemented a rewarding biofuels programme that helped reduce national oil-demand growth.
E succeeded in doubling its oil production in the last few years as the result of an outstanding increase in deep-water production.