A while back, you may recall, we posted an excellent and extremely simple idea on saving fuel. It is an idea that doesn't cost you a cent and is something you can do right now - as opposed to 'one day' when environmentally friendlier vehicles become more common and affordable. In the clip below, one man has taken his gas-guzzling SUV - and rather than trading it on a Prius, has instead tried to make the best use of what he has.