average cost for gas per month 2016
EIA projects regular gasoline retail prices to average $2.12/gal in the fourth quarter of 2015. The U.S. regular gasoline retail price, which averaged $3.36/gal in 2014, is projected to average $2.42/gal in 2015 and $2.38/gal in 2016.The 2015 average price is 1 cent/gal higher than in the September STEO, and the 2016 average price is unchanged.he Henry Hub natural gas spot price averaged $2.66/MMBtu in September, a decrease of 11 cents/MMBtu from the August price. Monthly average Henry Hub spot prices are forecast to remain lower than $3/MMBtu through January, and lower than $3.50/MMBtu through the rest of the forecast.