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This fact sheet by the Climate Policy Initiative explores how a proposed California green bank could accelerate the decarbonization of the transportation sector, which accounts for approximately 40 percent of the state's greenhouse gas (GHG) emissions. The document identifies specific financial and risk-bearing interventions across four subsectors: passenger vehicles, alternative fuel vehicle infrastructure, goods movement, and regional planning.

This case study describes the Green Energy Money $aver (GEM$) On-Bill Program in Hawaii, launched in April 2019 by the Hawaii Green Infrastructure Authority (HGIA). The program provides no-upfront-cost financing for clean energy improvements—such as solar PV and water heaters—for renters, low-to-moderate income households, nonprofits, and small businesses, with repayments made through monthly utility bills.