
Paul Winters
- May 5
- 4 min
3 years’ worth of proposed RFS ‘growth’ in biobased diesel volumes fulfilled in 3 months
EPA’s own RIN-generation data shows the agency’s 2023-’25 RFS biomass-based diesel volume proposals are severely inadequate.


Allen Schaeffer
- Apr 22
- 4 min
Reflections on the 53rd Earth Day and the Clean-Energy Future
An editorial celebrating Earth Day 2023 and diesel’s roles in building our society and the clean-energy future.


Ron Kotrba
- Feb 27
- 4 min
The Old One-Two
In his editor’s note from the Winter 2023 print Biobased Diesel™, Ron Kotrba dissects EPA’s proposed RFS set rule.

Rabbi Mordechai Stareshefsky
- Feb 27
- 3 min
Biodiesel and Kosher Glycerin: An Important Fuel and Its Valuable Coproduct
From the Winter 2023 print Biobased Diesel™: What it takes to get glycerin certified kosher and reap the economic benefits.


Karen Potratz
- Feb 27
- 3 min
Michigan Plant Rebirth Keeps Biodiesel Flowing
From the Winter 2023 print Biobased Diesel™: W2Fuel joined the Michigan Advanced Biofuels Coalition to encourage in-state use of biodiesel.


Paul Winters
- Feb 27
- 3 min
Biobased Diesel Industry Provides Fuel for US Economy’s Engine
From the Winter 2023 print Biobased Diesel™: A new report details the important impacts biobased diesel has on the U.S. economy.


Chaitanya “Chatty” Sakhalkar
- Feb 27
- 3 min
Sustainable Process-Pumping Technology
From the Winter 2023 print Biobased Diesel™: Projects increasingly specify sealless centrifugal pumps for biobased diesel production.


Kristof Reiter
- Feb 16
- 3 min
Low-CI Feedstock Traceability Critical to SAF Growth, Program Integrity
From the Winter 2023 print Biobased Diesel™: New solutions are needed to ensure compliance with feedstock-traceability requirements.


Ron Kotrba
- Feb 2
- 4 min
Tradition is Good, Innovation is Better
From the Winter 2023 print Biobased Diesel™: A Q&A with Javier Aznar with Minersa Group about Sepigel®-branded adsorbents.


Elena Scaltritti
- Nov 9, 2022
- 2 min
SAF is primed for takeoff—provided additional backing is in place
Governments are setting ambitious SAF targets, but clarity is still needed before the industry can step up to meet these objectives.