Three teams driving zero emission vehicles are competing to circumnavigate the world in 80 days, and the Swiss are winning so far. Their sporty two-seater enclosed motorcycle, the Zerotracer, was designed and engineered by Tobias Wülser and Frank Loacker at Designwerk in Winterthur. swissinfo caught up with Frank half way through the competition. (Designwerk/Julie Hunt, swissinfo.ch)
