Car/Truck mufflers do amazing work muffling noise. A car is nearly silent when running with a muffler, compared to what it would sound like with open manifolds. When I fire up my Honda push mower, the whole neighborhood knows about it, and it’s actually kinda quiet as mowers go. So eli5 : Why can’t lawnmower mufflers work like automotive mufflers?
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There is a push in some cities to ban or severely restrict a lot of these small gas powered devices (lawnmowers, leafblowers etc.) due to both physical and noise pollution that they create and the health damage they cause to the operator.
Hour per hour, your long mower produces 11x as much pollution as a car built in 2022. Considering that a lawn can be maintained with a push, electric, or battery power mower, and only an extremely overgrown lawn needs the torque provided by a gas engine, regulation makes a ton of sense.
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