Grenchen Airport in Switzerland held the second SmartFlyer Challenge on September 1st and 2nd, with a good showing for the European – and especially the Czech electric aircraft industry. Although smaller in numbers of airplanes than last year’s premier event, the Challenge featured a series of top-drawer presentations by industry leaders, and the viewing of a new Czechoslovokian electric motorglider. A Distinguished Visitor Interest in the event is high in the Canton of Solothurn, the administrative region in which Grenchen resides. The head of the Department of Economics for the Canton, Brigit Wyss, reported on the event in her personal blog. She proclaimed, “Grenchen establishes itself as the European center of electric aviation. The Smartflyer Challenge, which was a novelty a …