Its not many. They are stupidly innefficient. https://www.edmunds.com/car-reviews/features/emissions-test-car-vs-truck-vs-leaf-blower.html https://www.edmunds.

Its not many. They are stupidly innefficient. https://www.edmunds.com/car-reviews/features/emissions-test-car-vs-truck-vs-leaf-blower.html https://www.edmunds.com/car-reviews/features/emissions-test-... Given those stats, Gemini says about 8 leafblowers is the same continuous CO emissions as a private jet in flight.