Audi ? Environmental Panache from Four Wheels to Two

Following BMW?s lead, they are moving into the bicycle business. But with an interesting twist of green? Audi duo City hardwood bicycle - $6,530. Sometimes you just have to wonder what will they think of next? Remember Howard Hughes and his infamous Spruce Goose, the largest aircraft to ever fly? It was actually made of spruce and inspired by a shortage of metal near the end of WW-II. While there is no shortage of high tech metal or carbon fiber today, what if it were?