With four tons of cryogenic hydrogen tanks and a bank of Ballard 902 fuel-cell stacks on the roof, the 50mph, 270bhp Citaro will present an amazing sight as it silently rolls up Parliament Hill,
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With four tons of cryogenic hydrogen tanks and a bank of Ballard 902 fuel-cell stacks on the roof, the 50mph, 270bhp Citaro will present an amazing sight as it silently rolls up Parliament Hill,
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