Affordable energy that is clean and consistent, delivered in a single system at a fraction of the price that people are paying today – 4.5 pence (US$0.07) per kilowatt hour (kWh) to be precise – isn’t that too good to be true? Sir John Banham, Chairman of Johnson Matthey, doesn’t think so because these are the very benefits from fuel cells which are already powering homes and buildings in the US today. This article, republished for Criticaleye courtesy of INSEAD Knowledge, explains that it often comes from an unlikely source – methane gas from human waste.
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