In this episode of the Iowa Ag Podcast, host David Geiger sits down with Grant Kimberley, executive director of the Iowa Biodiesel Board, to discuss Iowa's role as the leading biodiesel producer in the nation and the policy landscape shaping the industry. The conversation covers the fundamentals of biodiesel, how it fits alongside ethanol in the fuel market, and why it plays a critical role in agriculture, national security, and rural economic development.

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Grant helps break down the much-anticipated 45Z tax credit guidance, explaining how carbon intensity scoring, conservation practices, and production credits could impact farmers and biofuel producers. With uncertainty still surrounding USDA guidance and Renewable Fuel Standard volumes, the episode explores what farmers should be watching for and why biodiesel demand matters in a challenging farm economy.

Chapters:

00:00 - Welcome and Introduction

00:54 - Iowa's Biodiesel Industry: History, Growth & Feedstocks

02:07 - Where Biodiesel Gets Used: Trucks, Rail, Ag, Construction & Marine

03:04 - 45Z Tax Credit Explained

04:59 - Farmer vs Producer Benefits

07:44 - RINs, RFS & the Bigger Energy Policy Picture (National Security + Diversification)

2:07 - Why 45Z Was Needed: Fixing Policy & Indirect Land-Use Penalties

13:09 - Farm Economy Reality Check

14:02 - What Farmers Should Do Now

15:12 - Record keeping Tips: Document Practices Now to Avoid Future Headaches

16:12 - Why Biodiesel Matters in Iowa

18:11 - What's Next for Biofuels

20:29 - Iowa Biodiesel Board's Message

21:47 - Wrap-Up: Guest Thanks and Podcast Sign-Off