World premiere of the CrossBlue in Detroit:  Volkswagen presents midsize SUV concept car with diesel plug-in hybrid - Six-seat CrossBlue offers powerful 306 PS and impressive 89 MPGe - New plug-in hybrid SUV has all-electric driving range of up to 14 miles in US test cycle - Electric driving range of 33 km in standard European test cycle (NEDC) Wolfsburg / Detroit, 14 January 2013 - Volkswagen is presenting the concept car of a new…