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Economists Tell Revenue Committee a Vehicle‑miles Tax Could Stabilize Massachusetts Transportation Revenues

5572293 · July 15, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Researchers from MIT and Tufts presented analysis showing a revenue‑neutral swap from the gasoline tax to a vehicle‑miles traveled (VMT) tax could stabilize transportation funding while affecting regions and income groups differently; they recommended pairing a VMT charge with enhanced EV subsidies to avoid discouraging electrification.

BOSTON — Economists and transportation experts told the Joint Committee on Revenue that a vehicle‑miles traveled (VMT) tax could replace eroding gasoline tax revenue and produce a more stable funding base for roads and transit, but they urged pairing a VMT charge with stronger electric‑vehicle incentives to preserve climate goals.

Senator Mike Barrett introduced the witnesses, including Professor Max Auffhammer (note: testimony included Professor Metcalfe and Professor Christopher Knittel), who…

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