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Artist designs air-cleaning bicycle for life in China
A British artist living in China has designed an adaptation for the bicycle, which produces clean air for its rider to breathe as they cycle.
Matt Hope's invention uses a pedal-powered generator to power the home-made filter, sending fresher air to the rider via a fighter pilot's oxygen mask.
http://www.bbc.co.uk/news/world-asia-china-22133913 includes video.
When I saw the headline I thought maybe you could use it inside a house to keep fit whilst removing / collecting dust.
