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"    Electric Scooter Built by: Nathan Ball Boston, Massachusetts     Nathan Ball built this electric-powered scooter in the basement of his dormitory when he was an undergraduate student. Using a powerful electric motor and battery, it propels riders, without any kicking, at the simple flick of a switch. Don&amp;#039;t mistake it for a simple modification though: Nathan picked up the scooter frame at a garage sale, then improved it with disc brakes, handlebars and fenders from a mountain bike. He even built in a regenerative braking circuit that uses an ultracapacitor to recover energy lost in braking. The only specialized parts that Nathan had to purchase online for this project were the electric motor and battery that provide the scooter its grunt; many other pieces were simply found or scrounged.    Cruzin Cooler Built by: Ross Smith Houston, Texas     According to its creator, the Cruzin Cooler combines two of life&amp;#039;s basic necessities: cold drinks and the means to get around without walking. While we&amp;#039;re not really sure that life depends on the ability to ride over to a friend&amp;#039;s house with a 24-pack, none of us would complain about being able to do it, either. Enter the Cruzin Cooler.  In short, inventor Ross Smith took a cooler, combined it with an electric motor, and the Cruzin Cooler was born. Ross has managed to spin his invention into a business, and his coolers, which come in both electric and gas-powered versions, are available online. The party-on-wheels will hit up to 13 mph and run for 15 miles, which should be far more than enough to find some comrades willing to split your icy-cold cargo.    Hybrid Bike Trailer Built by: Pat Yearick Hybrid Bike Trailer     The problem with typical electric-assist bikes is that they just don&amp;#039;t last - most only hold enough juice to give you an extra boost on steep hills, and not for long. Pat Yearick solved that problem with his hybrid bike trailer, a brick of batteries on wheels that keeps his electric bike plugging along for 10 full miles. Should his extended battery power expire before the road ahead of him does, the trailer also includes a gas engine to recharge the system.    Electric Pedal Car Built by: Charlie Murphy Sarasota, Florida     Here&amp;#039;s another project that astute Popular Mechanics readers will be familiar with. Charlie Murphy built this pedal car in the early 1980&amp;#039;s from plans originally published in PM, then recently gave it a 21st-century twist by making it electric powered. Besides restoring his aging project to its former glory, he added a working horn, stereo, lights, and of course, motor. A child can operate the car manually from inside it, or an outside operator can control it with a remote. "^^<http://www.w3.org/2001/XMLSchema#string>
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