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The report assesses fuel cell vehicles (FCVs) as a path toward a clean-vehicle future in the US, focusing on hydrogen and methanol as primary fuels. It analyzes the environmental benefits, such as the potential for 'zero-emission vehicles' (ZEVs) when using renewable hydrogen, and compares FCV performance and safety to gasoline vehicles. The document also addresses the infrastructure challenges of hydrogen distribution and the economic value of reducing urban air pollution in cities like Los Angeles and New York City.

The document argues that current NDCs insufficiently address transport emissions, with only 29 countries specifying quantitative targets. It proposes three primary areas for enhancement: accelerating electrification and fuel economy, amplifying 'avoid and shift' measures like public transport and urban planning, and addressing freight emissions through clean fuels and information technology.

The study examines the feasibility of transitioning to zero-emission trucks (ZETs) in Guangdong Province, China, between 2022 and 2030. By analyzing 14 use cases, the research focuses on operational feasibility, purchase cost gaps, and the timeline for total cost of ownership (TCO) parity compared to diesel trucks. It specifically highlights the importance of addressing the needs of small- and medium-sized enterprises (SMEs) and evaluates how technology, policy, and business models can accelerate ZET adoption, while also considering the applicability of these findings to other regions in China.

The report examines over 90 intergovernmental climate initiatives, finding a fragmented landscape dominated by developed countries and focused primarily on knowledge sharing rather than policy adoption. While cooperation exists across all sectors, particularly energy supply, most initiatives lack the breadth of country participation needed to cover significant sectoral emissions and often lack transparency arrangements.

The transport sector accounts for 24% of global CO2 emissions from fuel combustion, with road transport comprising nearly three-quarters of that total. To limit global warming to 1.5 °C, the IPCC projects the transport sector must be zero-emission by 2050. WRI employs a systems-thinking approach to decarbonization, focusing on eight key areas: clean energy integration, roadmapping and policy, fleet electrification, sustainable e-mobility, integrated climate planning, equitable transition, consumer behavior, and sustainable materials. WRI's global team of over 100 experts provides research, implementation support, and stakeholder coordination to ensure the transition enhances social equity and minimizes ecological damage.