Can't imagine this one's left your collective conscience, but just in case: back in August, Shenzen Huashi Future Car-Parking Equipment unveiled its design for a commuter monorail that used the space between traffic and bridges. In a sense, the bus would straddle over its four-wheeled brethren at a rate of 25 to 50mph. Construction reportedly starts in Beijing's Mentougou district by year's end, but what of the rest of the world? Designer Song Youzhou has founded US Elevated High-Speed Bus (Group) Inc which, as the name would suggest, is on the look-out for manufacturers to build (and outlets to sell) the so-cal