Gas Doesn’t Smell Like It Used To refers to a series of TikTok videos posted in the summer of 2022 by various viewers alleging that gas stations and gas itself smell different or less strong than they used to. According to the most popular explanation supporting these assertions, increasing the amount of ethanol in gasoline causes it to smell weaker. Because of the diluting with ethanol, gasoline has a milder odor. Though some (incorrectly) claimed…