A New Culprit Is Identified in China’s Choking Smog Researchers say that emissions of formaldehyde from autos and chemical and oil refineries play a larger role in China’s smog than previously known. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Europe Edition: Britain, James Comey, Iran: Your Friday BriefingHacking in Qatar Highlights a Shift Toward Espionage-for-HireJapan’s Parliament Passes Law Allowing Emperor to AbdicateWhat Is a Hung Parliament? What Would It Mean for Britain?Live Briefing: The Latest: Britain’s Conservatives Lose Their MajorityShabab Fighters Kill Dozens, Including Children, in Somalia