TheReturnOfPEB@reddthat.com to Technology@lemmy.worldEnglish · 1年前Hearing is be-leafing: Students invent quieter leaf blowerhub.jhu.eduexternal-linkmessage-square154fedilinkarrow-up10arrow-down10
arrow-up10arrow-down1external-linkHearing is be-leafing: Students invent quieter leaf blowerhub.jhu.eduTheReturnOfPEB@reddthat.com to Technology@lemmy.worldEnglish · 1年前message-square154fedilink
minus-squareBaphomet_The_Blasphemer@lemmy.worldlinkfedilinkEnglisharrow-up0·1年前Most gas-powered leaf blowers use two-cycle engines, which produce hundreds of times more hazardous pollutants and fine particulates than cars. Leaf blowers overtook automobiles as the number one source of air pollution in California during 2020.
Most gas-powered leaf blowers use two-cycle engines, which produce hundreds of times more hazardous pollutants and fine particulates than cars. Leaf blowers overtook automobiles as the number one source of air pollution in California during 2020.