Even through Beijing’s nicotine-tinged smog you can make out the multi-coloured frames, gliding through the pea soup towards a greener future. In recent months an unmissable fleet of fluorescent orange, canary yellow and ocean blue bicycles has hit the streets of urban China as part of a hi-tech bike-sharing boom that entrepreneurs hope will make them rich while simultaneously transforming the country’s traffic-clogged cities. “We want to solve problems by getting bikes back on to the streets of our cities,” said Li Zekun, the 25-year-old marketing director of Ofo, one of the startups spearheading this 21st-century transport revolution. Read more