One of the world’s most mature deepwater basins, the U.S. Gulf of Mexico, has a lot of production life left and could help bridge the oil supply gap that is widening with the maturing of many currently producing assets globally. The basin now pumping 15% of U.S. crude has the potential to deliver another up to 2 million barrels per day (bpd) of the new supply sources needed by 2040, McKinsey & Company said in a new report this month. The Gulf can also do it with one of the lowest emissions per barrel of all major basins in the world. …