BASF has launched Circalo: Low Carbon Intensity Crops, a digital platform designed to help farmers, agronomists and ethanol producers work together on agricultural carbon intensity under the US Clean Fuel Production Credit, known as Section 45Z.
The timing is deliberate. As 45Z implementation approaches, biorefineries face a new commercial reality: the carbon intensity of their feedstocks will increasingly shape their margins and market access. The problem is that many farmers already use conservation practices that lower carbon intensity, but no reliable system exists to document and verify those practices at scale.
Circalo aims to fix that. Built on BASF’s existing xarvio FIELD MANAGER and xarvio BIOENERGY tools, it captures farm-level data through agronomists, aggregates it across a biorefinery’s grower network and produces a verified Biofuel Feedstock Report for regulatory purposes. Third-party verification is built in.
“Carbon intensity is no longer just a reporting exercise, it’s a business driver,” said Jeff Carver, xarvio BIOENERGY Key Account Manager at BASF.
For farmers, the platform documents existing conservation practices and identifies opportunities to improve. For biorefineries, it provides a clear view of feedstock carbon intensity across their supply network. Chad Asmus, BASF’s Sustainability Market Development Manager, said the goal is to make sure everyone in the value chain has a practical route to participate.
The platform is operational for the 2026 growing season and also supports look-back opportunities from 2025. BASF says it will evolve alongside final guidance from the US Treasury Department and the USDA as verification standards develop.
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