John’s ‘Shortcutter’, made from a sit-on lawnmower and an old boat, can chug along the roads at a ‘relaxing’ 9kph (6mph), then take to the water at the first sign of a snarl-up. Of course, with a top speed that could cause more traffic jams than it solves and a propeller that spins wildly behind it on dry land, the four-wheeler is still very much a work in progress. But Mr Hinton hopes future...
