"Effizienzhaus-Plus mit Elektromobilität" - In addition to the house key, an iPhone, the Welke-Wiechers family also recieved the key to a smart fortwo electric drive and an A-Class E-CELL with inductive charging function. (l.t.r. Lenz Wiechers, Joerg Welke, Freya Charlotte Wiechers, Simone Barbara Wiechers, State Secretary Rainer Bomba, Martin Jäger (Daimler AG))