Cap-and-Trade

Gas Taxes by State, 2025

California levies the highest tax on gasoline at 70.9 cents per gallon (cpg), followed by Illinois at 66.4 cpg and Washington at 59.0 cpg.

Gas Taxes by State, 2024

Though gas taxes are intended to serve as user fees and pollution deterrents, they vary widely across states. How does your state’s burden compare?

How Well Do Carbon Taxes Match Their Promise? A New Proposed Metric

While existing carbon taxes are a step towards the right direction in addressing climate change and incentivizing reductions in emissions, there is considerable room for improvement to reach the ideal theoretical carbon tax model.

Emissions Trading System (ETS)

New Research on the Impact of Energy Taxes and the EU’s Cap-and-Trade System

Washington Voters to Consider a Carbon Tax—Again

CO2.0: Washington Groups Gear Up For Second Push for Carbon Taxation

Washington Voters Contemplate a Carbon Tax

House to Vote (Symbolically) on a Carbon Tax

Senators Introduce Carbon Tax

As Australia Repeals Carbon Tax, India Doubles Down on Coal

Are Carbon Taxes Worth It? Australia Says No

New EPA Rules Could Lead to State Carbon Taxes

Massachusetts Carbon Tax Proposals Just Won’t Cut It

The Limits of Cap and Trade

Should the European Union Apply Cap-and-Trade to Flights Over U.S. Airspace?

France’s Highest Court Strikes Down Carbon Tax

Government Should Stay Out of Business, Unless They Don’t Want To

California’s Proposed Carbon-Based Fuel Tax

Issues with CBO Numbers on Waxman-Markey Cap-and-Trade Bill