CNBC | Crude oil prices slip, gasoline surges nearly 7% as Harvey shuts down refineries CNBC Crude oil slid and gasoline futures hit their highest since mid-2015 on Wednesday as flooding and damage from Tropical Storm Harvey shut about a fifth of U.S. refineries, curbing demand for crude while raising the risk of fuel shortages. Refineries ... Crude oil market likely to turn choppy on Hurricane Harvey Oil Prices Set To Rise as Supply-Demand Gap Closes Up US oil settles at 1-month low amid Harvey-related refinery shutdowns |