G.M. Chief, in China, Challenges Planned Bans of Gasoline Cars As the country joins others taking aim at combustion engines, Mary Barra of G.M. said customers, not government rules, should choose car technologies. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:To Secular Bangladeshis, Textbook Changes Are a HarbingerOp-Ed Contributor: Russia Is a Terrible Ally Against TerrorismOn Campus: Discovering Feminist Students in the Middle East75 Arrested in European Crackdown on Art TraffickingTrump Presidency Is Already Altering Israeli-Palestinian PoliticsOil Producers Claim Progress in Curbing the World’s Daily Supply