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:Donald Trump Jr. and Russia: What the Law SaysNews Analysis: Rancor at White House as Russia Story Refuses to Let the Page TurnNatalia Veselnitskaya, Lawyer Who Met Trump Jr., Seen as Fearsome Moscow InsiderJon Underwood, Founder of Death Cafe Movement, Dies at 44Saudi Arabia to Offer Physical Education Classes for GirlsIndia’s Supreme Court Suspends Ban on Sale of Cows for Slaughter