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Business and innovation

Business and innovation

Could ammonia be the secret to shipping carbon-free?

16 Apr 2020 James McKenzie
Taken from the April 2020 issue of Physics World, where it appeared under the headline "Shipping carbon-free".

Air travel is bad for the environment – but shipping is not that great either. James McKenzie wonders how best to decarbonize sea travel

Cargo ship
Dirty thoughts: Could ammonia be the fuel to make shipping greener? (Courtesy: iStock/junak)
While writing my February column about environmental activist Greta Thunberg sailing rather than fly

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James McKenzie is the writer of the Transactions column for Physics World about physics in industry. He is writing here in a personal capacity
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