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Published online 6 February 2004 | Nature | doi:10.1038/news040202-13
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Diesel makes for more smog
The 'green' fuel emits less carbon dioxide but could still boost pollution.
Widespread use of diesel engines, often thought of as 'greener' than the petrol alternatives, would make the air smoggier, according to new research.
Diesels typically emit less carbon dioxide than petrol (gasoline) vehicles, reducing their contribution to global warming.
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