India’s plans to decarbonise the heavy duty transport segments of aviation, shipping and trucking are still at a nascent stage. New policies are needed to ensure and support their transition to clean energy for India to meet its climate change pledges, according to several studies and climate change policy experts. Aviation, shipping and trucking’s reliance on oil – and natural gas – based fuels make these sectors among the largest emitters of greenhouse gases (including carbon dioxide and methane) globally, accounting for one-fourth of all greenhouse gas emissions, per an October 2020 report by Washington DC-based public policy research non-profit...