GM Sues Avanti Motors in SUV Dispute Fri Feb 14, 5:45 PM ET DETROIT - General Motors Corp. has filed a trademark infringement lawsuit against Avanti Motor Corp., saying Avanti's new Studebaker XUV too closely resembles GM's Hummer H2 sport utility vehicle. GM said in a statement Friday that the Studebaker XUV, which debuted Friday at the Chicago Auto Show, "knocks off and misappropriates the shape" of the Hummer H2. GM trademark attorney Charles Ellerbrock said "the Studebaker XUV is so similar to the H2 that the public will be confused by the knock off of the H2. "GM will...