Analysis: Gas Pump Prices Can Obscure Surprising Consumer Impact

Rising fuel prices hit household budgets unevenly across the United States, with drivers in states such as Wyoming, Oklahoma, Montana, and North Dakota absorbing the steepest spending increases despite often paying lower per-gallon rates, according to a new analysis from NerdWallet [1]. The analysis finds that the per-gallon price at the pump obscures the true financial impact of an oil price shock because total spending also depends on the number of gallons consumed [1]. For every 10 cents per gallon that prices rise, the average nationwide change in spending on fuel is $1.05 per week, or about $50 per year [1]. Drivers in the most price-sensitive states would pay closer to $2 more per week on average when fuel prices rise by 10 cents a gallon, which translates to $104 in extra spending over a year [1]. If gas prices rise by 50 cents a gallon, drivers nationwide may pay about $270 more per year, or about $500 in the most price-sensitive states [1]. A household with two drivers could end up paying about $550 more per year if fuel prices rise by 50 cents a gallon, a figure that could exceed $1,000 in the most price-sensitive states [1]. The state-level disparities are driven by two variables: how far residents drive and the fuel efficiency of the vehicles on the road [1]. In the most affected states, pickup trucks dominate the list of most popular new vehicles, and many large pickups get less than 20 miles per gallon, bringing down the statewide average fuel efficiency [1]. Drivers in these states also travel more miles than the national average, due in part to the states' large areas and low population densities [1]. Interstate 15, a major highway running through several western states, has seen substantial increases in population and commuter traffic since its construction, reflecting the long-haul driving patterns common in the region [4]. At the other end of the spectrum, drivers in Rhode Island, New York, California, and Washington are, on average, less sensitive to price changes because they do not travel as far on a weekly basis and the cars on the road in those states are more fuel efficient [1]. The NerdWallet analysis used road-usage data from the U.S. Federal Highway Administration and fuel-efficiency ratings from the U.S. Department of Energy to estimate state-level gas consumption [1]. The methodology excluded electric vehicles to avoid overstating average fuel efficiency [1]. The findings highlight how personal consumption patterns ultimately drive each person's price sensitivity [1]. A driver in Wyoming who operates a fuel-efficient sedan and has a short commute may see a smaller uptick in gas spending than drivers in other states, even those that are the most immune to price increases on average [1]. Conversely, a driver in California with a pickup truck and a long commute will not avoid a large jump in gas spending when prices rise [1].