CNBC | Gasoline hits two-year high, oil prices sink as market assesses Harvey's impact CNBC Benchmark gasoline prices rose to a session peak of $1.7799 per gallon as the refinery outages threatened to create a short-term undersupply of the fuel. Meanwhile, U.S. crude oil prices fell, reflecting lower demand for the raw material at shuttered ... Why oil prices are sinking as gasoline soars after Harvey Hurricane Harvey Knocked Out Over 10% of US Oil Refining Capacity Oil markets roiled as Harvey hits US petroleum industry |