I have often fantasized about making some sort of snow removal contraption. This guy Craig from Michigan actually did it and made a snow plow for his bike, not a bad idea for the right situation.

The custom 3-wheel bike with sidecar was made years ago, a replica of a bike my childhood friend had. Last winter I added a snow plow accessory. Up to 1 inch of snow doesn't make it worthwhile to fire up my big 8HP snowthrower. And shoveling my 90' long driveway by hand can be too much. So my bike plow makes it easy to make a few runs up and down the driveway to make 2 or 3 piles that can then be easily hand shoveled off to the side. A lever pulls up or lets down the plow with a rope and pulley.

via Firefly Workshop's pedal-powered snow plow @Makezine.com blog.