Concerns that President Donald Trump is about to impose new sanctions on Iran have sent oil prices climbing, and gas prices are coming along for the ride. Related: Oil prices could keep rising. Every state on the West Coast, as well as Alaska, Hawaii, Idaho, Nevada and Utah, have an average price of over $3 a gallon. But Kloza said that once prices reach their peak, he expects about 20 states will have average prices of greater than $3. Four years ago, gas prices reached as high as $3.70 a gallon about this time of that year.

Source: CNN May 02, 2018 18:56 UTC