Do you and one friend need to go anywhere — right now? You'll need the Sherp ATV. It's a two-passenger, diesel-powered wilderness-squasher with patented self-inflating tires. With those massive chunks of rubber at each corner, and nearly encompassing the entire side of the truck, the Sherp can easily roll over obstacles as big as 27.5 inches tall. Although it has a small 1.5-liter diesel engine that produces a minuscule 44 horsepower, the Sherp weighs about as much as a Toyota Corolla, so it's just enough to get it up to its 28 mph top speed on land. On water it'll...