Closeup of a gas station pump showing octane ratings of unleaded, regular, plus and premium gasoline.

---

Size: 5300px × 3533px
Photo credit: © The Photo Works / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 87, 89, 93, alcohol, choice, choices, close, closeup, content, differences, energy, ethanol, fill, fuel, gallon, gas, gasoline, horizontal, information, lead, leaded, numbers, octane, people, petro, petroleum, premium, price, pump, rating, ratings, regular, station, types, unleaded, varied