TIL, according to professor Edward O’Donnell, that Americans SPILL an estimated 17,000,000 gallons of gasoline EVERY SUMMER filling their lawn equipment, and that is more than the entire spill of the Exxon Valdez disaster! 
PS: I completely avoid this by having all electric equipment (lawnmower, snowblower, leaf blower), but also, and more importantly, letting my yards go native. 😂 
Source