GM is dropping the Aveo name, instead calling its next-generation subcompact the Sonic instead. Researchers at the Swinburne University of Technology in Melbourne, Australia have come up with a new way of joining magnesium to steel and aluminum. Rolls-Royce is expanding its Ghost lineup to include a long-wheelbase model as well as a coupe and a convertible. All that and more, plus the Autoextremist, Peter De Lorenzo, sounds off on the UAW.