All diesel articles
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FeatureCatching the polluters
Measurement techniques can pinpoint emitters like unroadworthy trucks and broken gas pipes, finds Andy Extance, but are not yet widespread
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NewsGovernment releases plan to tackle nitrogen dioxide pollution
Draft air quality plan aims to bring UK emissions back down to legal levels
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ResearchSqueezing the last of the sulfur from fuels
Simple reaction that removes almost all sulfur from diesel would help to cut emissions that cause acid rain