With wood-panelled walls and cold-press juices, Leap’s buses have been criticised for contributing to San Francisco’s rising inequality. Elitism aside, bus travel may be key to bringing efficiency and equality to our expanding cities, and Leap is just one of many pioneering transport services.

Around half a million bikes are sold in Denmark each year, and nine out of ten Danes own one. It's the ideal location for high-tech smart bike-sharing scheme Gobike to debut. But what will it mean for locals? And can it provide an effective solution to travel in other cities?

India’s urban population is one of the fastest growing in the world, with most of its biggest cities already bursting at the seams. In order to address the needs of the growing population, the government is planning to build 100 smart cities by 2022 – and the first one is already in the making.

Many claim that cycling makes people happier and healthier and cities greener, and a study in New Zealand shows that for every dollar spent on building separated bike lanes, cities could save as much as $24 thanks to lower healthcare costs, less pollution and traffic.