The price of gas in Colorado is still falling, 2.1 cents in the past week. The average now is $2.95 a gallon, 16 cents lower than a month ago. The cheapest gas in Colorado this morning is $2.79 and you can get that at the Sinclair's in Grand Junction and Clifton. The most expensive gas in the state is $3.69 at a Conoco in El Jebel.