2010 Detroit: Latest Audi E-Tron could be R4 roadster

By John LeBlanc DETROIT – Does Audi’s E-Tron concept looks familiar? Maybe because the Detroit show car is a silver-painted, shorter-wheelbase version of its red painted sibling that arrived first at last year’s Frankfurt show. The German automaker must be thinking that, if upstarts like Tesla can get ridiculous money for a sports car EV, […]