During remarks to the 2025 Clean Fuels Conference Tuesday, the executive officer of the California Air Resources Board (CARB) made it clear the state is willing to fight to defend its clean air regulations against expected challenges under the new Trump administration. “I don’t want to be adversarial,” said Dr. Steven Cliff, who was appointed to head CARB in September …

Annual Awards Honor Champions of Clean Fuels
Two of the Clean Fuels industry annual awards were presented Tuesday at the Clean Fuels Conference in San Diego. Floyd Vergara was honored with the prestigious Lifetime Achievement Award, recognizing his transformative contributions to the clean fuels industry and environmental policy. As one of the chief architects of California’s groundbreaking Low Carbon Fuel Standard (LCFS), Vergara played a pivotal role …
Clean Fuels Celebrates Conference in Important Market
The 2025 Clean Fuels Conference is being held this week in a very important market for biodiesel, renewable diesel, and sustainable aviation fuel – California. “Biodiesel and renewable diesel have displaced 75% of all diesel sold in the state,” said Clean Fuels CEO Donnell Rehagen in his opening remarks Tuesday. “It’s now harder to find diesel fuel in California than …
Conference to Highlight Biodiesel, Renewable Diesel and SAF
The 2025 Clean Fuels Conference kicks off today in San Diego bringing together industry leaders in the biodiesel, renewable diesel and sustainable aviation fuel markets with the theme “Accelerate.” Clean Fuels Alliance America CEO Donnell Rehagen says the meeting theme refers to the rapid growth and transformative progress of the biodiesel, renewable diesel, and sustainable aviation fuel industries. “We’re now …
Groups React to Climate Smart Ag Rule and GREET Model
Biofuel organizations welcomed the release Wednesday of USDA’s interim rule on Technical Guidelines for Climate-Smart Agriculture Crops Used as Biofuel Feedstocks, in addition to a beta version Feedstock Carbon Intensity Calculator, and the Department of Energy release of the 45ZCF-GREET model The rule establishes guidelines for quantifying, reporting, and verifying the greenhouse gas emissions associated with the production of corn, …
Treasury 45Z Guidance Addresses Cooking Oil Imports
Clean fuels producers, soybean growers, and oilseed processors were pleased to see the U.S. Treasury Department’s notice of intent to propose regulation on the Clean Fuel Production Credit (45Z) released on Friday addressed the issue of imported used cooking oil being used to qualify for the credit. However, they are disappointed in the lack of guidance for farmers to utilize …
Preview of 2025 Clean Fuels Conference
One of the first events of 2025 is the annual Clean Fuels Conference, formally the National Biodiesel Conference, coming up January 20-23 in San Diego, CA with the theme: Accelerate. “We chose Accelerate as the theme just because so many aspects of our industry are speeding up right now,” said Heather Buechter, Director of Communications for Clean Fuels Alliance America. …
Clean Fuels Celebrates Productive 2024
Clean Fuels Alliance America is celebrating progress in 2024 with the U.S. on pace to surpass 5 billion gallons of biodiesel and renewable diesel consumption for the first time, thanks to a year that saw increased efforts from states to drive adoption, updates to technical standards, growth in soybean crush capacity and growing public support for clean transportation fuel. Clean …
K-State Research Could Lead to Improved Biodiesel
A recent breakthrough by Kansas State University biochemists could lead to the cover crops pennycress and camelina becoming new sources for improved biodiesel. A research team led by Timothy Durrett, professor of biochemistry and molecular biophysics, and doctoral conferee Linah Alkotami used synthetic biology techniques to significantly increase the amount of acetyl-triacylglycerols — a unique type of oil found and …
Clean Fuels Alliance Ready to Accelerate
“Accelerate” is the theme for the 2025 Clean Fuels Conference, Jan. 20-23 at the Hilton San Diego Bayfront Hotel in San Diego, California. Clean Fuels Alliance America CEO Donnell Rehagen says the meeting theme refers to the rapid growth and transformative progress of the biodiesel, renewable diesel, and sustainable aviation fuel industries. “With the clean fuels industry accelerating at an …