Rising prices at the gas pump helped drive U.S. household sentiment to a seven-week low at the end of April, the Bloomberg Consumer Comfort Index showed May 3.

Motorists in California, the state with the most expensive gasoline, could see pump prices that begin with a 4 again as oil markets rally.

Oil advanced to the highest level since May after U.S. gasoline stockpiles plunged to a 22-month low and exports of crude and fuels surged.

Hurricane Harvey strengthened as it headed toward landfall in Texas, forecast to become the worst storm to strike the region in more than a decade. The price of gasoline rallied as the storm threatened to wreak havoc on the heart of America’s energy sector.