Engineering Innovation Podcast and Radio Series

Greening Lawnmowers

PostedMay 31, 2013

Download File (mp3)

Anchor Lede: As summer kicks into gear, so do more and more lawnmowers…spewing polluting emissions, which can be worse than from cars.

Randy Atkins: So a team of engineering students, advised by Kawai Tam at the University of California in Riverside, invented an emission scrubbing device…

Kawai Tam: …that could be just screwed onto the current fittings of the five top lawnmower mufflers that are out there already.

Randy Atkins: Tam says it’s loaded with a proprietary chemical catalyst the team created which helps drives a process that drastically reduces carbon monoxide, nitrogen oxides and particulate matter.

Kawai Tam: They become gasses that ubiquitous in the environment and not dangerous.

Randy Atkins: Tam says you can’t even smell fumes when the device is attached and as an added benefit…

Kawai Tam: It reduced the sound level by 10 decibels.

Randy Atkins: With the National Academy of Engineering, Randy Atkins, WTOP News.

Anchor Tag: Patents are now being sought, and several companies have already expressed interest.