It is clear that without an augmented public transport system, Delhi and other cities of India will not be able to combat toxic air pollution. It is also clear that currently our public transport infrastructure is grossly inadequate. Cities like Beijing, for instance, have 107 buses per lakh people. Delhi has 17 buses per lakh people.

This sets out the impact of current global policies, the changes in the global fleet and new global efficiency targets to accelerate the uptake of clean and efficient vehicles for vehicle efficiency.

Electric buses, which have zero tailpipe emissions, hold the potential to provide outsized air quality and climate benefits. Faster adoption of cleaner buses is an important part of the bigger climate solution, helping put cities on track towards sustainability.

Electric buses could pioneer a new age of clean and efficient urban transport and put cities on track towards sustainability. However, electric bus adoption is not accelerating fast enough for the world to meet transport-related global climate objectives and help limit global temperature rise to below 2 degrees Celsius.

In January 2018, the city of São Paulo, Brazil, adopted Law 16.802, an amendment to its Climate Change Law that sets 10-year and 20-year targets for fleetwide reductions in tailpipe emissions of fossil carbon dioxide (CO2) and the air pollutants particulate matter (PM) and nitrogen oxides (NOx).