by Damon LavrincStraight from the "No Surprise" department comes word from GMInsideNews that all of General Motors mid-size offerings will come equipped with four-cylinder engines as the only available powerplant.GM has made it clear for the last few years that a large part of its future product strategy is to downsize its engine line-up in preparation for the new 2015 CAFE standards. The shift has already begun with the introduction of the 2011 Buick Regal, available...
