Commentary

Washington State’s Climate Change Program Benefits Were Inflated by a Factor of 28

The Washington State Climate Commitment Act (CCA) was supposed to reduce 8.6 million tons of greenhouse gas emissions over its lifetime. However, due to a clerical error, the state corrected...

September 2025

The Renewable Fuel Standard Must Go

Thomas J. Pyle
August 2024

Airlines Are Getting Smart About the Cost and Availability of Sustainable Aviation Fuel

June 2024

Renewable Diesel and Biodiesel Get a Setback

March 2024

Two Biodiesel Plants Idled in the Midwest

August 2023

EPA Denies Small Refiners Biofuel Waivers and Sets Future Biofuel Mandates

March 2023

Biden EPA Approves Midwest Governors’ Request for Year-Round E15 Sales