Archive for July 2025
The Octane Value of Ethanol Part 2 – Ethanol is an Outstanding Octane Additive
Most U.S. gasoline contains 10% ethanol. Among other things, ethanol is an outstanding octane booster. When considering the economic value of ethanol in gasoline, it is critical to properly account for its octane value. See other blogs in this series The Octane Value of Ethanol: The term “aromatics” is used to describe a petroleum-derived hydrocarbon…
Read MoreTop 3 Takeaways — From Infocast’s RNG & SAF Capital Markets 2025
This July 15-16, 2025 event was my first opportunity to meet those involved in Renewable Natural Gas (RNG) project financing and development. As always, exposure to another branch of the fuels ecosystem brought lots of new learning. Here’s the countdown on my Top 3 Takeaways from this event: Number 3: Doom and Gloom The second…
Read MoreTop Four Takeaways from EPA’s public hearing on the 2026-2027 RFS Standards Proposed Rule
On July 8, 2025, the U.S. Environmental Protection Agency (EPA) held a public hearing on the 2026-2027 proposed Renewable Fuels Standard (RFS) renewable fuel volume obligations and the partial waiver of the 2025 cellulosic renewable fuel volume obligation. The comment period for this EPA proposal closes August 8, 2025. Below are my top 4 takeaways…
Read MoreThe Octane Value of Ethanol Part 1- Measuring Octane Quantity With The Octane-gallon
Refiners and other gasoline enthusiasts are familiar with the concept of the octane-gallon. One octane-gallon is the quantity of octane that will raise the octane of one gallon of gasoline by one octane number. See other blogs in this series: The Octane Value of Ethanol – This week, I saw 93 octane premium gasoline priced at…
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