(Beaver, UT) — Gas prices in Utah keep going up as America’s war with Iran continues. Statewide, the average price for a gallon of self-serve regular gas is three-dollars and 59-cents. Triple-A says that’s about 11-cents less than the national average. The least expensive average price in Utah can be found in Daggett County where it’s three-dollars and 15-cents. The most expensive average price is in Beaver County where it’s three-80.