IIRC the average male farts 20 times a day. If he installed a voluntary workplace "collector", he would improve the office environment considerably (as well as

IIRC the average male farts 20 times a day. If he installed a voluntary workplace "collector", he would improve the office environment considerably (as well as improving climate change) and harvest methane for free. For that special motorcyclist: how about a direct butt plug-in? A former co-worker especially fond of flatulent foods could likely get 10 km from a bean burrito.