Heavy rains from tropical storm Harvey caused large-scale U.S. refinery outages, pushing up gasoline prices, while crude prices rose in early Asian trade on Tuesday on the back of supply disruptions in Colombia and Libya. Refinery shutdowns from the storm helped push U.S. gasoline prices to 2015 highs of $1.7799 per gallon on Monday, although they receded slightly to $1.7325 per gallon by 0103 GMT on Tuesday. U.S. West Texas Intermediate (WTI) crude futures rose 23 cents, or 0.5 percent, to $46.80 a barrel, after falling more than 2 percent in the previous session. On international oil markets, Brent crude futures were up 17 cents or 0.3 percent, at $52.06 per barrel. Massive floods caused by Harvey forced several […]