. . . "2010Z"^^ . . "Mercedes-Benz BlueZERO"@en . . "The Mercedes-Benz BlueZERO concept is Mercedes' attempt at the alternative fuel vehicle movement. The BlueZERO is a flexible concept that has the ability to accommodate the three different types of future alternative fuels: electric, hybrid, and hydrogen fueled. It was first introduced at the 2009 Detroit Auto Show which took place January 11\u201325."@en .