Exxon this week started a new crude oil distillation unit at its Beaumont refinery, boosting its daily capacity to almost 620,000 bpd. This makes the Beaumont facility the second-largest refinery in the United States after Aramco's Motiva, Reuters reported. The new unit itself will have a capacity of 250,000 barrels of crude daily and will process light crude from the Permian. A refinery expansion is a rarity in the United States where the trend in recent years has been to close refineries or convert them to biofuel production plants. Since...