Expands the environmental response/energy/food security tax into a carbon emissions tax on fossil fuels. Gradually raises tax rates on fossil fuels. Creates refundable tax credits.

Establishes a comprehensive transportation and environmental equity framework that introduces several new fees and funding mechanisms to support public transit expansion and infrastructure improvements in Massachusetts. Creates a new Massachusetts Transportation and Environment Equity Fund, which will be financed through multiple revenue streams including a new "green fee" for vehicle registration, an "emissions fee" based on vehicle mileage, car rental and parking rental surcharges, and tolls on large commercial trucks. The fund will prioritize transit projects that expand rail service to cities and towns without existing commuter rail or subway stops, with a focus on cost-effectiveness, environmental justice, and smart growth development.

Pending House action. Same as SB 633.

01/21/2025 Introduced. Passed first reading. Referred to House Committees on Energy and Environmental Protection/Agriculture, Economic Development and
Technology, and Finance.
01/28/2025 House Committees on Energy and Environmental Protection/Agriculture recommend that the measure be deferred until 1/30/25.
01/30/2025 House Committees on Energy and Environmental Protection/Agriculture recommend that the measure be passed with amendments.
02/06/2025 Passed second reading in House as amended in HD 1. Referred to House Committee on Economic Development Technology.
02/06/2025 Reported from House Committees on Energy and Environmental Protection/Agriculture as amended in HD 1, and recommending passage on second reading and referral to House Committee on Economic Development Technology.
12/08/2025 Carried over to 2026 session.