Californians have been paying nearly $6 a gallon. See why prices are so high, how they compare historically, and how Trump's Iran blockade fits in.

Business Insider made an interactive map that shows how gas prices compare across states as national averages stay above $4.

Are gas prices declining yet? NBC News is tracking national and state prices at the pump.

Sticker shock for Americans continues as gas prices soar. And it isn't going to get any better in the days ahead. Oil prices on April 2 rose more than 10%, topping the $111 mark per barrel. The price ...

Pulling into the gas station to fill up your tank is a painful experience these days, now that a gallon of regular gasoline has soared to around $4. (If you live in California—like me!—that moment ...

Gas prices vary between states due to factors like local taxes, distance from supply, and environmental programs. In addition to state taxes, a federal tax of 18.4 cents per gallon has been applied to ...

Pennsylvania is among the top 10 states for the highest gas prices in the nation. According to AAA, as of March 9, Pennsylvania has an average price of $3.589 for regular gasoline, which is the eighth ...

Natural gas extends its falling wedge breakout rally into key resistance, with moving averages and prior trend lines shaping ...

COLUMBIA, S.C. (WIS) - The average price of gas has now eclipsed $4 per gallon across South Carolina, including in Columbia.