It was a beautiful sunset in San Diego last week for the Clean Fuels Vehicle Technology Showcase as major OEMs and fleets previewed the latest diesel technology in their lineup for 2025. OEM Market Development Manager for Clean Fuels Alliance America Jennifer Weaver once again hosted the popular panel spotlighting some of the latest technology. This year, the line-up featured …

Clean Fuels Chair Confident Moving Forward
Kent Engelbrecht serves as director of North American Biodiesel Trade Policy for ADM, one of the world’s leading biodiesel producers, oilseed crushers, and suppliers of soy and canola feedstocks for the renewable liquid fuels industry. Engelbrecht is also Chairman of the Clean Fuels America Alliance, and he is Chairman of the California Advanced Biofuels Alliance (CABA), as well as Advanced …
Groups Oppose Plan to Lower Cellulosic RVOs
Biofuels organizations have submitted comments opposed to a proposed rule announced by EPA last month to partially waive the 2024 cellulosic biofuel volume requirement and revise the associated percentage standard under the Renewable Fuel Standard program due to a shortfall in cellulosic biofuel production. The Renewable Fuels Association comments that “retrospectively lowering RVOs destabilizes the RIN market, discourages investment, and …
Clean Fuels is California Dreamin’
The current and future role of biodiesel and renewable diesel in California’s Low Carbon Fuel Standard was the topic for the first panel discussion of the 2025 Clean Fuels Conference – California Dreamin’: Clean Fuels’ Time to Shine. Carlos Gutierrez, California Advanced Biofuels Alliance (CABA), moderated the conversation with Harry Simpson, CEO of Crimson Renewable Energy Holdings, the largest producer …
CARB Exec Defends State’s Strict Clean Air Rules
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 …