London's newest red double-decker Routemaster (27th Feb 2012) bus is seen in service on the capital's streets for the first time. The hybrid NB4L, or the Borismaster, New Routemaster or Boris Bus, is a 21st century replacement of the iconic Routemaster as a bus built specifically for use in London and is said to be 40 per cent more fuel efficient than conventional diesel buses. The brainchild of London's Conservative mayor Boris Johnson, its funding has been controversial amid massive fare increases in transport.
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