It's not quite a trip around the world, but a trek that Norway's Zero team recently undertook in a pair of hydrogen-fueled cars is certainly an impressive enough feat in its own right. Late last month, they drove two Hyundai Ix35 FCEVs from Oslo to Monte Carlo (admittedly one of the easier ways to technically "cross Europe"), relying solely on the existing hydrogen refueling infrastructure -- that's as opposed to other trips that brought along fuel trucks as backup. As the team explains, the key to the trip was some careful planni