http://www.autoweek.com/apps/pbcs.dll/arti.../1041/MICROSITE "For those who want to know just how much the Detroit 3's U.S. market share might shrink someday, California may be the canary in the mine shaft. Over the first six months of this year, the Detroit 3's domestic brands accounted for just 31.4 percent of the state's retail registrations -- down 3.7 percentage points compared with the same period last year, according to R.L. Polk & Co...."
