Flatula Backfire Fart Car

I thought this might amuse...



Or, for those of you who would like a more sensible version try this - Methane powered car runs on human excrement

And these (ahem!) emissions might be good for you!

Study: Smelling farts may be good for your health

The study, published in the Medicinal Chemistry Communications journal, found that hydrogen sulfide gas in rotten eggs and flatulence could be a key factor in treating diseases.