Gasoline-dependent automobiles that boast of cleaner technology could still emit harmful elements into the air, according to a new study. Secondary organic aerosols that form with the help of sunlight and tailpipe emissions are just as dangerous as primary organic aerosols…

Allen Robinson is the director of the Centre for Air, Climate and Energy Solutions. He’s also a mechanical engineer at Carnegie Mellon University, a private research university in the US. When Robinson and his team placed 59 vehicles of varying ages and emission standards into a smog chamber as part of an investigation, they found out something interesting.
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