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Environmental, Energy, and Transportation Taxes

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Gas Tax Holidays

Gas Tax Holidays Sound Politically Tempting. Too Bad They Don’t Work.

Gas tax prices are soaring across the country, and lawmakers are naturally looking for ways to alleviate the pain at the pump. While gas tax holidays—which temporarily suspend fuel taxes to artificially lower the price of gas—are a politically welcomed intervention, taxpayers shouldn’t be so quick to celebrate.

Road Taxes and Funding by State, 2026

Road Taxes and Funding by State, 2026

The amount of revenue states raise through roadway-related revenues varies significantly across the US. Only two states raise enough revenue to fully cover their highway spending.

5 min read
Diesel and Gas Taxes in Europe, 2026, Petrol Taxes

Diesel and Gas Taxes in Europe, 2026

Fuel taxes continue to be a central policy consideration for European countries amid geopolitical conflicts, increased emphasis on environmental policy, and economic conditions experienced by average consumers.

6 min read
Big Beautiful Bill Tax Plan and Senate GOP Tax Plan: Details & Analysis of 2025 Trump Tax Cuts

One Big Beautiful Bill Act Tax Policies: Details and Analysis

Our analysis of the major tax provisions included in the OBBBA finds it will increase long-run GDP by 0.7 percent. The major tax provisions will reduce federal tax revenue by nearly $5.2 trillion between 2025 and 2034, on a conventional basis.

12 min read
European tax trends, EU tax reform

Tax Trends in European Countries

As European countries have undertaken a series of tax reforms designed for budgetary stability, policymakers should focus on consumption taxes by making them more neutral and efficient.

15 min read
2026 State Tax Changes Taking Effect January 1

State Tax Changes Taking Effect January 1, 2026

Forty-three states will ring in 2026 with notable tax changes. Eight states will see reduced individual income tax rates in the new year while four states will see reduced corporate income tax rates.

30 min read

2025 Tax Review | What OBBBA Changed, the Impact of Tariffs, and What’s Next

In this episode, we break down what the OBBBA did, walk through our projections, and zoom out to other defining fights of 2025: Trump’s “Liberation Day” tariffs, the Supreme Court challenge over presidential tariff power, and the growing wave of property tax revolts across the states. 

Spain tax policy

Spain’s Tax Missteps Undermine Competitiveness

Spain’s central government could learn some valuable lessons from its regional governments and other European countries about sound tax policy.

7 min read
2026 State Tax Competitiveness Index 2026 State Tax Rankings

2026 State Tax Competitiveness Index

The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.

122 min read
digitalization of the economy, international tax treaty system, OECD digital economy

Sound Tax Policy Can Withstand Creative Destruction

Creative destruction—coined by famed economist Joseph Schumpeter—is the idea that new innovations disrupt and “destroy” existing economic structures as they create better and more efficient products and processes.

4 min read
Dr. Sergio Vasques

Fiscal Forum: Future of the EU Tax Mix with Sérgio Vasques

Sean Bray interviewed Dr. Sérgio Vasques, Professor of Tax Law at the Catholic University of Lisbon and former Portuguese Secretary of State for Tax Affairs, about the future of the EU tax mix.

7 min read
earmark excise tax revenue excise tax revenue in europe, 2025

What Should Be Done with Excise Tax Revenue?

Excise taxes generate more than two trillion dollars worldwide each year. While tying an excise tax revenue source to a specific expenditure program can be a best practice, the efficiency depends on the revenue source, the spending program, and why the excise tax was implemented in the first place.

6 min read