How much space do you really need to live? No more than 128 square feet – about the same footprint as the trailers lawn care companies use to haul their gear, according to a team of college students and recent alumni keyed into the sustainability movement.

The team is putting the finishing touches on their tiny house which, in fact, was built on a trailer and is completely self-sustainable. It generates all the water and electricity its dweller needs, a first, they say, for this class of miniature housing.