What’s the best bet for urban mobility, reducing air pollution, making mobility safer, and less restricted by traffic? It may not be about car ownership. While car ownership and new and used vehicle sales have stayed high in the US, there are several indicators out there showing that a deep downward shift is well on its way. This is being driven by economic factors, concerns over traffic congestion and safety, air pollution, and climate change rules. Here’s a look at the challenges being taken on. Plus: Which form of transport has the smallest carbon footprint?