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"Euston, this is emission control": Upgrading buses to make London's air cleaner

News: Retrofit technology enables Johnson Matthey and partners to take a twelve-year-old bus and achieve emissions comparable to a modern bus.

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7 facts you didn’t know about platinum

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Reclassification of Catalyst Technologies and pre-close trading update

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Half year results for the six months ended 30th September 2024

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