VW CEO Martin Wagner tells that Mexico is key in carmaker 's North American growth . Volkswagen aims to become the biggest carmaker in the world by 2018 . Sales in the U.S. rose 10 % in 2012 , helping to offset weaker European sales . It 's an obviously symbolic moment Winterkorn : In 2013 ` ` we expect an overall market share of 8 % in China ''
VW CEO Martin Wagner tells that Mexico is key in carmaker 's North American growth . Volkswagen aims to become the biggest carmaker in the world by 2018 . Sales in the U.S. rose 10 % in 2012 , helping to offset weaker European sales . Winterkorn : In 2013 ` ` we expect an overall market share of 8 % in China ''