An average transit bus can fit up to 42 people, which means a full bus can remove 42 single-passenger cars from the road during a commute. A handful of full buses running every 15 minutes or so along one commute route can take up to 168 cars off the road each hour, including those cars' emissions!

In 2026, buses are considered one of the most sustainable forms of land transport, especially as global fleets transition to electric (EV) and hydrogen power. A single double-decker bus can take up to 75 single-occupancy cars off the road, significantly reducing traffic congestion and urban smog. From an emissions perspective, traveling by bus can reduce an individual's carbon footprint by approximately 42% compared to driving a petrol car. In cities with "Green Bus" initiatives, such as London or Shenzhen, the life-cycle sustainability is even higher because these vehicles operate on renewable energy grids. Furthermore, buses require significantly less infrastructure per passenger than private vehicles, and their long operational lifespans—often exceeding 15 years—make them a highly resource-efficient choice. For the environmentally conscious traveler in 2026, choosing a bus over a private ride-share remains a primary way to support "Net Zero" urban goals while reducing the overall demand for lithium and cobalt used in smaller vehicle batteries.