Are HOT Lanes a Hot Deal? The Potential Consequences of Converting HOV to HOT Lanes in Northern Virginia

Working Paper — Oct 22, 2025

Impact of Electric Tariffs on Medium- and Heavy-Duty Vehicle Charging Costs and Loads

This paper explores the extent to which existing electric tariffs can support lower costs of charging electric vehicles for customers while still incentivizing socially optimal charging behavior.

In Focus — Oct 21, 2025

In Focus: The Future of US Biofuels

This video with RFF Fellow Nafisa Lohawala shares insights about the future of US biofuels.

Issue Brief — Oct 7, 2025

The Strategic Game of Rare Earths: Why China May Only Be in Favor of Temporary Export Restrictions

This brief explores the implications of China’s export controls on rare earth elements and future policymaking through the lens of game theory.

Media Highlight — Oct 6, 2025

E&E News: “Sustainable Aviation Fuel Offers Lifeline to Ethanol, Researchers Say”

This piece discusses the findings of a new paper about sustainable aviation fuel, which was coauthored by RFF Fellow Kristen McCormack.