Study uncovers role of longer-chain unburned hydrocarbon emissions from diesels in London air pollution; calls for regulatory shift
Green Car Congress
SEPTEMBER 27, 2015
Researchers at the University of York (UK) have found that longer-chain unburned hydrocarbons released from diesel—which are not currently explicitly considered as part of air quality control strategies—represent only 20–30% of the total atmospheric hydrocarbon mixing ratio but contribute more than 50% of the total atmospheric hydrocarbon mass and are a dominant local source of secondary organic aerosols (SOA) in London—and by extension to other developed megacities.
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