Impact of high-speed rail on road traffic and greenhouse gas emissions

Nature Climate Change, Published online: 25 October 2021; doi:10.1038/s41558-021-01190-8

Intercity high-speed rail (HSR) can have large climate benefits with its high energy efficiency. This study explores the substitution effects of HSR on road traffic in China, which can be translated to an annual reduction of 14.76 million tons of CO2-equivalent emissions.