VW CEO Martin Winterkorn tells CNN China is key in carmaker 's North American growth . CNN aims to become the biggest carmaker in the world by 2012 . Sales in the Mexico jumped 26 % in 2012 , helping to offset weaker European sales . We expect slight growth and stabilization in the automobile market , '' says Winterkorn . Winterkorn : In 2013 `` we expect an overall market growth of 26 % in China ''
VW CEO Martin Winterkorn tells CNN China is key in carmaker 's North American growth . CNN aims to become the biggest carmaker in the world by 2012 . Sales in the Mexico jumped 26 % in 2012 , helping to offset weaker European sales . Winterkorn : In 2013 `` we expect an overall market growth of 26 % in China ''