National Average Price for Regular Unleaded Current: $2.196; Month Ago: $2.071; Year Ago: $2.750. National Average Price for Diesel Current: $2.440; Month Ago: $2.418; Year Ago: $3.003.

Gasoline surged to the highest in two years and oil declined as flooding from Tropical Storm Harvey inundated refining centers along the Texas coast, shutting more than 10 percent of U.S. fuel-making capacity. Motor fuel prices rose as much as 6.8 percent, while New York oil futures slipped 0.9 percent. Harvey, the strongest storm to hit the U.S. since 2004, made landfall as a hurricane Friday, flooding cities and shutting plants able to process some 2.26 million barrels of oil a day. Pipelines were closed, potentially stranding crude in West Texas and interrupting gasoline supply. Click Read More below for more of the story.

Oil prices slipped Monday, giving back some of a steep climb from Friday seen after Saudi Crown Prince Mohammed bin Salman said the kingdom would develop nuclear weapons if arch-rival Iran did. Underpinning prices are tensions between Saudi Arabia and Iran, which are seen potentially disrupting global supplies. The Saudi crown prince visits the U.S. this week, which could provide plenty of headlines, as the Trump administration has called for a new look at the Iran nuclear pact. Trump told European leaders they must “fix the terrible flaws” in the deal or the U.S. would refuse to extend its sanctions relief on Iran. Click Read More below for additional information.