Hydrogen cars explained: fuel cells, efficiency and zero emissions

When Business Secretary Kwasi Kwarteng unveiled the UK’s first Hydrogen Strategy last month, he said that the fuel had “the potential to transform the way we power our lives”.One such transformation is already being seen in motoring. From as far back as the Second World War, technicians have used hydrogen gas to power vehicles as a cleaner alternative to petrol. Interest and investment in hydrogen technology for use in cars has ramped up significantly since the 1990s. And with the government having confirmed that sales of new petrol and diesel cars will be banned in the UK from 2030, further funding is set to come pouring in.The technologyHydrogen-powered cars do not contain combustion engines. Instead, “the key to a hydrogen car is the fuel cell”, said Driving Electric. The gas enters the fuel cell from a tank and mixes with oxygen to create water in a chemical…

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