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ADDITIONAL INSIGHT

Policy

Time for a PADD 5 Fuels Study Tune-Up

July 9, 2025

I was walking with my neighbor John the other morning. He reminded me that he is a Stillwater Newsletter subscriber, but often he doesn’t get what all the articles are about. I told him many articles are about regulatory issues, but we do try to write for regular people as well. Our conversation then turned...

Policy

Capitol Hill’s Finishing Touches to the “Big Beautiful” Revamp of 45Z  

July 8, 2025

Last month, in an article titled “The 45Z Tax Credit Gets a ‘Big Beautiful’ Alteration,” we described amendments to the Clean Fuels Production Credit (better known as 45Z for the section of the tax code) proposed in the House version of the budget reconciliation bill, H.R. 1. By way of follow-up, today we update that...

Economics

The Great Gasoline Decline Debate – Forecasting California’s Fuel Future

June 24, 2025

With the potential closure of two refineries in California, tightening West Coast fuels production, it is more critical than ever to pin down accurate assessments of likely future gasoline demand. Various industry and government agency projections offer differing perspectives concerning potential shortages. Stillwater estimates that gasoline demand in 2030 will be 13-15% below the level...

Policy

Friday the 13th: The RFS Chapter

June 18, 2025

On Friday, June 13, 2025, the U.S. Environmental Protection Agency (EPA) released their proposed “Set 2” rule. This is the first step in the process of setting the Renewable Fuel Standard (RFS) renewable volume obligations (RVOs) for 2026 and 2027. In this article, we explore what is contained in the proposed rule, discuss how the...

Policy

Cleaner Fuels, Higher Stakes: Washington’s Bold New CI Reduction Path 

June 17, 2025

What are the likely consequences of increasing the carbon intensity (CI) reduction schedule for a state low carbon fuel (LCF) program fast or deep enough to make compliance uncertain or unlikely? We may be about to find out!   HB1409 – a bill recently passed by the Washington state legislature and signed into law by Washington Governor...

Policy

The 45Z Tax Credit Gets a “Big Beautiful” Alteration 

June 4, 2025

We recently covered the state of the Clean Fuels Production Credit (better known as 45Z for the section of the tax code) in our article 45Z – Emerging From the Mists published back in January. That article discussed the preliminary guidance for implementation of the 45Z credit which was published in the final days of...
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