Gas prices could shape the midterms. See the US states where prices have risen the most.

On average, regular gas prices in the US today are nearly 40% higher than a year ago, according to AAA's Fuel Price Tracker as of November 2. In 42 states, regular gas prices per gallon today are at least $1 higher than they were a year ago.A White House spokesperson told Business Insider that once the conflict in the Middle East ends, gas prices will "drop drastically," adding Iran also "will not have a nuclear weapon.""Thanks to the exceptional work of the US military, more oil is now flowing out of the Persian Gulf than before the Iran conflict began," the spokesperson said.To see how fuel prices have risen across the US, Business Insider used AAA data to compare today's gas prices with those a year ago. We ranked all US states by the percentage increase in regular prices, which most people see at the pump. We also listed the rise in diesel prices in each state to provide a fuller picture. See how prices have risen in every US state in the past year, ranked from lowest to sharpest rise. 50. Washington Regular gas prices in Washington are up 21.2% from a year ago. M. Scott Brauer/Bloomberg via Getty Images Regular gas price today: $5.19 a gallonRegular gas price increase: 21.2% ($0.91) from a year agoDiesel gas price today: $7.25 a gallonDiesel gas price increase: 45.6% ($2.27) from a year ago 49. North Carolina In North Carolina, regular gas costs 22.7% more than it did a year ago. Travis Dove/Bloomberg via Getty Images Regular gas price today: $3.38 a gallonRegular gas price increase: 22.7% ($0.63) from a year agoDiesel gas price today: $5.49 a gallonDiesel gas price increase: 58.2% ($2.02) from a year ago 48. Oregon Oregon has seen its average regular gas price rise by 23.2% over the past year. Wang Ying/Xinhua via Getty Images Regular gas price today: $4.79 a gallonRegular gas price increase: 23.2% ($0.90) from a year agoDiesel gas price today: $6.71 a gallonDiesel gas price increase: 53.7% ($2.34) from a year ago 47. Alaska The average price of regular gas in Alaska has risen 24.4% since last year. Bloomberg/Getty Images Regular gas price today: $4.76 a gallonRegular gas price increase: 24.4% ($0.93) from a year agoDiesel gas price today: $6.44 a gallonDiesel gas price increase: 57.9% ($2.36) from a year ago 46. Hawaii In Hawaii, the average regular-gas price is 26.3% higher than a year ago. Jill K. Briggs / AFP via Getty Images Regular gas price today: $5.66 a gallonRegular gas price increase: 26.3% ($1.18) from a year agoDiesel gas price today: $7.22 a gallonDiesel gas price increase: 38.3% ($2.00) from a year ago 45. California Regular gas prices in California are up 27.0% from a year ago. David Swanson / AFP via Getty Images Regular gas price today: $5.91 a gallonRegular gas price increase: 27.0% ($1.26) from a year agoDiesel gas price today: $8.34 a gallonDiesel gas price increase: 62.5% ($3.21) from a year ago 44. Georgia In Georgia, regular gas costs 28.4% more than it did a year ago. Elijah Nouvelage/Bloomberg via Getty Images Regular gas price today: $3.58 a gallonRegular gas price increase: 28.4% ($0.79) from a year agoDiesel gas price today: $5.66 a gallonDiesel gas price increase: 62.3% ($2.17) from a year ago 43. Florida Florida has seen its average regular gas price rise by 30.0% over the past year. Zak Bennett/Bloomberg via Getty Images Regular gas price today: $3.86 a gallonRegular gas price increase: 30.0% ($0.89) from a year agoDiesel gas price today: $5.98 a gallonDiesel gas price increase: 63.8% ($2.33) from a year ago 42. Indiana The average price of regular gas in Indiana has climbed 31.0% since last year. Marcin Golba/NurPhoto via Getty Images Regular gas price today: $3.81 a gallonRegular gas price increase: 31.0% ($0.90) from a year agoDiesel gas price today: $6.76 a gallonDiesel gas price increase: 76.9% ($2.94) from a year ago 41. Arizona In Arizona, the average regular gas price is 31.4% higher than a year ago. Rebecca Noble/Bloomberg via Getty Images Regular gas price today: $4.42 a gallonRegular gas price increase: 31.4% ($1.06) from a year agoDiesel gas price today: $6.29 a gallonDiesel gas price increase: 74.7% ($2.69) from a year ago 40. Nevada Regular gas prices in Nevada are up 34.2% from a year ago. Jakub Porzycki/NurPhoto via Getty Images Regular gas price today: $5.24 a gallonRegular gas price increase: 34.2% ($1.33) from a year agoDiesel gas price today: $6.82 a gallonDiesel gas price increase: 72.9% ($2.88) from a year ago 39. Idaho In Idaho, regular gas today costs 34.8% more than it did a year ago. : Don & Melinda Crawford/Education Images/Universal Images Group via Getty Images Regular gas price today: $4.53 a gallonRegular gas price increase: 34.8% ($1.17) from a year agoDiesel gas price today: $6.53 a gallonDiesel gas price increase: 75.1% ($2.80) from a year ago 38. Maryland Maryland has seen its average regular gas price rise 35.1% over the past year. Al Drago/Bloomberg via Getty Images Regular gas price today: $3.99 a gallonRegular gas price increase: 35.1% ($1.04) from a year agoDiesel gas price today: $6.32 a gallonDiesel gas price increase: 72.9% ($2.67) from a year ago 37. Delaware The average price of regular gas in Delaware has risen 35.4% since last year. CHRIS STEIN/AFP via Getty Images Regular gas price today: $3.95 a gallonRegular gas price increase: 35.4% ($1.03) from a year agoDiesel gas price today: $6.31 a gallonDiesel gas price increase: 75.2% ($2.71) from a year ago 36. South Carolina In South Carolina, the average regular gas price is 36.2% higher than a year ago. Melissa Sue Gerrits/Getty Images Regular gas price today: $3.65 a gallonRegular gas price increase: 36.2% ($0.97) from a year agoDiesel gas price today: $5.73 a gallonDiesel gas price increase: 67.7% ($2.31) from a year ago 35. Virginia Regular gas prices in Virginia are up 36.2% from a year ago. Mehmet Eser/Anadolu via Getty Images Regular gas price today: $3.96 a gallonRegular gas price increase: 36.2% ($1.05) from a year agoDiesel gas price today: $6.22 a gallonDiesel gas price increase: 73.7% ($2.64) from a year ago 34. Pennsylvania In Pennsylvania, regular gas costs 37.9% more than it did a year ago. Matthew Hatcher/Bloomberg via Getty Images Regular gas price today: $4.43 a gallonRegular gas price increase: 37.9% ($1.22) from a year agoDiesel gas price today: $6.59 a gallonDiesel gas price increase: 64.0% ($2.57) from a year ago 33. New Jersey New Jersey has seen its average regular gas price rise 39.1% over the past year. Gary Hershorn/Getty Images Regular gas price today: $4.13 a gallonRegular gas price increase: 39.1% ($1.16) from a year agoDiesel gas price today: $6.37 a gallonDiesel gas price increase: 74.7% ($2.72) from a year ago 32. Connecticut The average price of regular gas in Connecticut has increased 39.6% since last year. Paul Hughes/Connecticut Post via Getty Images Regular gas price today: $4.25 a gallonRegular gas price increase: 39.6% ($1.20) from a year agoDiesel gas price today: $6.41 a gallonDiesel gas price increase: 70.6% ($2.65) from a year ago 31. Vermont In Vermont, the average regular gas price is 39.7% higher today than a year ago. Jakub Porzycki/NurPhoto via Getty Images Regular gas price today: $4.32 a gallonRegular gas price increase: 39.7% ($1.23) from a year agoDiesel gas price today: $6.36 a gallonDiesel gas price increase: 66.8% ($2.55) from a year ago 30. Massachusetts Regular gas prices in Massachusetts are up 39.8% from a year ago. Matt Stone/MediaNews Group/Boston Herald via Getty Images Regular gas price today: $4.18 a gallonRegular gas price increase: 39.8% ($1.19) from a year agoDiesel gas price today: $6.31 a gallonDiesel gas price increase: 65.8% ($2.51) from a year ago 29. New York In New York, regular gas costs 39.8% more than it did a year ago. Lori Van Buren/Times Union via Getty Images Regular gas price today: $4.34 a gallonRegular gas price increase: 39.8% ($1.24) from a year agoDiesel gas price today: $6.49 a gallonDiesel gas price increase: 67.4% ($2.61) from a year ago 28. West Virginia West Virginia has seen its average regular gas price rise by 39.9% over the past year. Alex Wroblewski/Bloomberg via Getty Images Regular gas price today: $4.16 a gallonRegular gas price increase: 39.9% ($1.19) from a year agoDiesel gas price today: $6.37 a gallonDiesel gas price increase: 75.6% ($2.74) from a year ago 27. Alabama The average price of regular gas in Alabama has risen 40.5% since last year. Micah Green/Bloomberg via Getty Images Regular gas price today: $3.73 a gallonRegular gas price increase: 40.5% ($1.07) from a year agoDiesel gas price today: $5.85 a gallonDiesel gas price increase: 71.5% ($2.44) from a year ago 26. Maine In Maine, the average regular gas price today is 40.6% higher than a year ago. Graeme Sloan/Bloomberg via Getty Images Regular gas price today: $4.25 a gallonRegular gas price increase: 40.6% ($1.23) from a year agoDiesel gas price today: $6.40 a gallonDiesel gas price increase: 65.0% ($2.52) from a year ago 25. Tennessee Regular gas prices in Tennessee are up 40.9% from a year ago. Camden Hall/NurPhoto via Getty Images Regular gas price today: $3.71 a gallonRegular gas price increase: 40.9% ($1.08) from a year agoDiesel gas price today: $5.92 a gallonDiesel gas price increase: 74.8% ($2.53) from a year ago 24. Rhode Island In Rhode Island, regular gas costs 41.0% more than it did a year ago. Adam Glanzman/Bloomberg via Getty Images Regular gas price today: $4.12 a gallonRegular gas price increase: 41.0% ($1.20) from a year agoDiesel gas price today: $6.30 a gallonDiesel gas price increase: 67.0% ($2.53) from a year ago 23. Ohio Ohio has seen its average regular gas price rise 41.2% over the past year. Jessica Phelps/Bloomberg via Getty Images Regular gas price today: $4.13 a gallonRegular gas price increase: 41.2% ($1.21) from a year agoDiesel gas price today: $6.44 a gallonDiesel gas price increase: 73.5% ($2.73) from a year ago 22. North Dakota The average price of regular gas in North Dakota has climbed 41.7% since last year. : Jim West/UCG/Universal Images Group via Getty Images Regular gas price today: $4.02 a gallonRegular gas price increase: 41.7% ($1.18) from a year agoDiesel gas price today: $6.06 a gallonDiesel gas price increase: 73.1% ($2.56) from a year ago 21. Utah In Utah, the average regular-gas price is 41.8% higher than a year ago. Charles-McClintock Wilson/NurPhoto via Getty Images Regular gas price today: $4.53 a gallonRegular gas price increase: 41.8% ($1.34) from a year agoDiesel gas price today: $6.47 a gallonDiesel gas price increase: 79.3% ($2.86) from a year ago 20. Louisiana Regular gas prices in Louisiana are up 42.0% from a year ago. Mark Felix/Bloomberg via Getty Images Regular gas price today: $3.70 a gallonRegular gas price increase: 42.0% ($1.10) from a year agoDiesel gas price today: $5.75 a gallonDiesel gas price increase: 76.5% ($2.49) from a year ago 19. Minnesota In Minnesota, regular gas costs 42.0% more than it did a year ago. : Michael Siluk/UCG/Universal Images Group via Getty Images Regular gas price today: $4.07 a gallonRegular gas price increase: 42.0% ($1.21) from a year agoDiesel gas price today: $6.16 a gallonDiesel gas price increase: 69.8% ($2.53) from a year ago 18. Montana Montana has seen its average regular gas price rise by 42.2% over the past year. Lauren Miller/Montana Free Press/CatchLight via Getty Images Regular gas price today: $4.30 a gallonRegular gas price increase: 42.2% ($1.28) from a year agoDiesel gas price today: $6.16 a gallonDiesel gas price increase: 74.4% ($2.63) from a year ago 17. New Hampshire The average price of regular gas in New Hampshire has climbed 42.4% since last year. : Snap Decision/UCG/Universal Images Group via Getty Images Regular gas price today: $4.16 a gallonRegular gas price increase: 42.4% ($1.24) from a year agoDiesel gas price today: $6.34 a gallonDiesel gas price increase: 67.8% ($2.56) from a year ago 16. Texas In Texas, the average regular-gas price is 42.8% higher than a year ago. RONALDO SCHEMIDT / AFP via Getty Images Regular gas price today: $3.65 a gallonRegular gas price increase: 42.8% ($1.09) from a year agoDiesel gas price today: $5.74 a gallonDiesel gas price increase: 80.4% ($2.56) from a year ago 15. Missouri Regular gas prices in Missouri are up 43.4% from a year ago. Whitney Curtis for The Washington Post via Getty Images Regular gas price today: $3.83 a gallonRegular gas price increase: 43.4% ($1.16) from a year agoDiesel gas price today: $6.05 a gallonDiesel gas price increase: 78.7% ($2.67) from a year ago 14. Kansas In Kansas, regular gas costs 43.5% more than it did a year ago. Jim Vondruska/Getty Images Regular gas price today: $3.88 a gallonRegular gas price increase: 43.5% ($1.18) from a year agoDiesel gas price today: $6.00 a gallonDiesel gas price increase: 73.5% ($2.54) from a year ago 13. South Dakota South Dakota has seen its average regular gas price rise by 44.5% over the past year. Scott Olson/Getty Images Regular gas price today: $4.09 a gallonRegular gas price increase: 44.5% ($1.26) from a year agoDiesel gas price today: $6.01 a gallonDiesel gas price increase: 79.0% ($2.65) from a year ago 12. Arkansas The average price of regular gas in Arkansas has increased 44.6% since last year. Bloomberg/Getty Images Regular gas price today: $3.76 a gallonRegular gas price increase: 44.6% ($1.16) from a year agoDiesel gas price today: $5.87 a gallonDiesel gas price increase: 76.7% ($2.55) from a year ago 11. Mississippi In Mississippi, the average regular gas price is 45.4% higher than a year ago. Bloomberg/Getty Images Regular gas price today: $3.77 a gallonRegular gas price increase: 45.4% ($1.18) from a year agoDiesel gas price today: $5.82 a gallonDiesel gas price increase: 79.0% ($2.57) from a year ago 10. Kentucky Regular gas prices in Kentucky are up 45.6% from a year ago. Bloomberg/Getty Images Regular gas price today: $3.89 a gallonRegular gas price increase: 45.6% ($1.22) from a year agoDiesel gas price today: $6.11 a gallonDiesel gas price increase: 79.3% ($2.70) from a year ago 9. Iowa In Iowa, regular gas costs 46.0% more than it did a year ago. Bryon Houlgrave/Bloomberg via Getty Images Regular gas price today: $4.01 a gallonRegular gas price increase: 46.0% ($1.26) from a year agoDiesel gas price today: $6.06 a gallonDiesel gas price increase: 72.4% ($2.54) from a year ago 8. Wyoming Wyoming has seen its average regular gas price rise by 46.2% over the past year. Al Drago/Getty Images Regular gas price today: $4.30 a gallonRegular gas price increase: 46.2% ($1.36) from a year agoDiesel gas price today: $6.35 a gallonDiesel gas price increase: 78.2% ($2.79) from a year ago 7. Colorado The average price of regular gas in Colorado has climbed 47.0% since last year. Michael Ciaglo/For The Washington Post via Getty Images Regular gas price today: $4.20 a gallonRegular gas price increase: 47.0% ($1.34) from a year agoDiesel gas price today: $6.38 a gallonDiesel gas price increase: 80.9% ($2.85) from a year ago 6. Illinois In Illinois, the average regular-gas price is 47.0% higher than a year ago. Scott Olson/Getty Images Regular gas price today: $4.71 a gallonRegular gas price increase: 47.0% ($1.51) from a year agoDiesel gas price today: $6.62 a gallonDiesel gas price increase: 76.3% ($2.87) from a year ago 5. Nebraska Regular gas prices in Nebraska are up 47.5% from a year ago. Christopher Dilts/Bloomberg via Getty Images Regular gas price today: $4.16 a gallonRegular gas price increase: 47.5% ($1.34) from a year agoDiesel gas price today: $6.11 a gallonDiesel gas price increase: 78.4% ($2.69) from a year ago 4. New Mexico In New Mexico, regular gas costs 48.1% more than it did a year ago. Al Drago/Getty Images Regular gas price today: $4.09 a gallonRegular gas price increase: 48.1% ($1.33) from a year agoDiesel gas price today: $6.01 a gallonDiesel gas price increase: 73.3% ($2.54) from a year ago 3. Oklahoma Oklahoma has seen its average regular gas price rise by 48.3% over the past year. Al Drago/Getty Images Regular gas price today: $3.80 a gallonRegular gas price increase: 48.3% ($1.24) from a year agoDiesel gas price today: $5.85 a gallonDiesel gas price increase: 78.0% ($2.57) from a year ago 2. Michigan The average price of regular gas in Michigan today is 52.1% higher than last year. Emily Elconin/Bloomberg via Getty Images Regular gas price today: $4.52 a gallonRegular gas price increase: 52.1% ($1.55) from a year agoDiesel gas price today: $6.66 a gallonDiesel gas price increase: 78.9% ($2.94) from a year ago 1. Wisconsin In Wisconsin, the average regular gas price is 53.2% higher than a year ago. Michael Yanow/NurPhoto via Getty Images Regular gas price today: $4.23 a gallonRegular gas price increase: 53.2% ($1.47) from a year agoDiesel gas price today: $6.31 a gallonDiesel gas price increase: 80.6% ($2.82) from a year ago