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ST. LOUIS (KSDK) – Governor Jay Nixon helped kick off the annual St. Louis Auto Show with a celebration of the two new cars being built at the General Motors Wentzville plant.

Alongside GM and United Autoworker officials, Governor Nixon showcased the GMC Canyon and Chevrolet Colorado, which he helped unveil at the Detroit Auto Show last week.

RELATED: GMC Unveils New 2015 Canyon, to be Built in Wentzville, Mo.

The St. Louis Auto Show runsThursday through Sunday.