In a country where peoplecan’t corrupt anything for a pennyanymore , it seems queer to pull up to a gas station and see a fraction of a penny included in the damage . So what ’s the deal ?

The practice of tacking 9/10 of a cent on the end of agas pricegoes back to when gas be only penny per gal and was a tax impose by state and federal governments . accelerator station added the fraction of a cent on the end of the monetary value instead of round up the damage . Back then , a full cent would have been a budget - buster for customers . The federal tax was follow out in 1932 as part of the Revenue Act of 1932 and was supposed to expire in 1934 — except it never did .

or else of end the revenue enhancement , Congress extended — and increased — it . The tax was mean to help provide funds for roadstead and infrastructure during the Great Depression . Around the same time , gas station began to exhibit prices of gasoline by fraction of a centime . So Americans just accept the musical theme that the tax was merely that , a fraction of a cent . And it was at the time the taxation was implement because natural gas per gallon wasabout 10 cent , so the amount of the extra tax was quite unimportant .

9/10 tax gas price

However , flatulency Mary Leontyne Price have increase considerably , and the 9/10 tax persist . As of as of Jan. 1 , 2022 , the norm of full body politic tax on a gallon of gasolene was31 centime and 33 cent on diesel engine , though some State like California pay as much as 58.8 centime per gallon in local tax . Federal taxesadd on average another 18.3 centime per gallon on gasoline and 24.3 cents per gallon on diesel . Still fractions of a penny , but the 9/10 figure to account for it is long outdated .

flatulence prices tend to fluctuate , but in 2022 , the price has zoom . The average damage for a congius of unconstipated gas as of April 18 , 2022 , allot to AAA , was $ 4.08 ; if you purchase mid - kitchen stove or insurance premium , the price increases to between$4.50 and $ 4.75 a gallon . But the average price per gallon in 2022 wasas high-pitched $ 4.33 — that was March 11 .

Consumers do have tons of choice for corrupt gas , include innovative engineering to aid them detect the gaudy prices , via smartphone or apps build mighty into the car ’s infotainment system . And we ’ve been brush up up that fraction to a full extra cent so long , we just even notice it . So why is it still there ?

reckon at it this way . If you ’re shopping for other products , like grocery or clothes , you in all probability tend to disregard the cents after the dollar Leontyne Price . Even if the Mary Leontyne Price end in .99 , you likely mentally round down or else of up .

Gas prices benefit from the same phenomenon , except on an even smaller scale . We tend to disregard the 9/10 all . We see gas priced at $ 4.08 9/10 as $ 4.08 a gallon , not $ 4.09 . And the 9/10 only increases the price of a 20 - gallon fill up by about 20 cents , but every penny reckoning , right ?

So how much of a difference does that extra 9/10 of a cent make across the industry as a whole?Marketplace reportsthose excess cent fragment add up to half a billion dollars per year .