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The U.S. aims to reduce greenhouse gas emissions by 50-52% below 2005 levels by 2030. While the Inflation Reduction Act (IRA) and Infrastructure Investment and Jobs Act (IIJA) provide significant reductions, a gap of approximately 810 million tonnes CO2e remains. The Clean Air Task Force (CATF) proposes a 'high impact' scenario leveraging Clean Air Act regulatory authority and agriculture/forestry spending to close this gap.

The report analyzes the transition of New York's medium- and heavy-duty (M/HD) vehicle fleet to zero-emission vehicles (ZEVs) under three scenarios: the Advanced Clean Trucks (ACT) Rule, the ACT Rule plus the NOx Omnibus Rule, and a highly ambitious '100 x 40 ZEV + Clean Grid' scenario. The findings indicate that while ZEVs have higher initial purchase costs, they achieve lifetime cost parity with combustion vehicles by 2030. The most aggressive scenario is projected to generate over $36 billion in cumulative net societal benefits by 2050, including significant reductions in premature deaths and greenhouse gas emissions. The transition is expected to have positive macroeconomic effects on the U.S., including net job gains and GDP growth, while potentially lowering electricity rates for New York residents and businesses due to increased utility net revenue.

The analysis models three policy scenarios for Southern New England, ranging from the adoption of California's Advanced Clean Trucks (ACT) rule to a more aggressive '100 x 40 ZEV + Clean Grid' scenario. The findings indicate that transitioning the M/HD fleet to zero-emission vehicles (ZEVs) would yield significant net societal benefits, including reduced premature deaths, lower greenhouse gas emissions, and long-term cost savings for fleets and electricity customers. While initial purchase costs for ZEVs are higher, the report projects lifetime cost parity with combustion vehicles by 2035. Macroeconomic analysis suggests the transition would result in national net job gains and increased GDP, with new jobs in electrical component manufacturing and infrastructure construction offering higher average wages than the jobs they replace.