Even though gas prices are down ever so slightly, you can save more money at the gas pump by driving smarter. Little things like getting the junk out of the trunk and keeping tires properly inflated can improve your miles per gallon by as much as 38%. Find more gas saving tips on NYCOTC sister site . And check the NYCOTC Cheapest NYC Gas page to find the cheapest gas in the five boroughs. All stations listed are selling for $3.99 a gallon, or less.