Vol VI · Feedstock Note · Good Faith

The Tallow BridgeJBS fat · Petrobras fuel

Petrobras is building large renewable-diesel and jet-fuel capacity that runs on animal fats. JBS is among the world's largest sources of beef tallow. The two sit at opposite ends of the same molecule. This note lays out the match — from public information, evenhandedly — and offers to help connect the dots, with no fee sought.

A fat looking for a refinery, a refinery looking for fat

Brazil is standing up one of the largest bio-refining programs in the Americas, and its lead operator has said plainly what it will run on: vegetable oils and animal fats — including beef tallow. On the other side of the country sits the world's largest beef producer, rendering tallow by the trainload. A domestic, low-carbon feedstock and a domestic buyer that needs exactly it. The bridge writes itself; this note simply draws it.

~2.58 bnL/yr Petrobras
renewable fuels target
≈€1.1 bncommitted to renewable
diesel + SAF
HEFAfats & oils →
diesel + jet
#1JBS — world's largest
beef producer

Demand and supply, both Brazilian champions

Petrobras — the demand

A publicly announced bio-refining build-out: a unit at the Boaventura complex (Itaboraí, RJ) sized up to ~1.09 bn L/yr of SAF + renewable diesel, and a project at RPBC (Cubatão, SP) to process ~950,000 t/yr of vegetable oils and animal fats.

Licensed Honeywell UOP HEFA technology, with feedstocks stated to include soybean oil and beef tallow; co-processing already running at several refineries; Replan and Regap (Minas Gerais) slated to begin in 2026.

JBS — the supply

The world's largest beef producer by revenue, operating rendering and by-product streams at enormous scale. Beef tallow is a principal rendered output — precisely the animal fat HEFA units consume.

A domestic, traceable, low-indirect-land-use feedstock, produced in the same country as the refineries that need it — reducing the import exposure that otherwise shadows Brazil's renewable-fuel ramp.

Four reasons the molecule wants to move

Offered openly, with nothing asked

The spirit of this note

This is a public-information observation, not a claim that either company has agreed anything, and not advice. Both are large, sophisticated organizations that may already be in contact; the point is not to suggest they need help finding one another, but to lay the logic out cleanly in one place — and to offer, in good faith, to help make or warm the introduction if it is useful.

No finder's fee is sought. If this connects two parties who do good business, that is the whole of the reward. The aim is to be useful first.

  1. Petrobras — coprocessed SAF volumes & 2026–30 clean-fuels strategy. S&P Global, 2026. spglobal.com
  2. Petrobras commits ≈€1.1 bn to renewable diesel & SAF expansion. Biofuels International, 2026. biofuels-news.com
  3. The current scenario of SAF production in Brazil. Advanced Biofuels USA, 2025 (Boaventura / RPBC capacities; Honeywell UOP HEFA; tallow feedstock). advancedbiofuelsusa.info
Note. Prepared from public sources for informational discussion; not affiliated with, endorsed by, or authorized by any company named, and not investment, legal, or commercial advice. Figures are as reported in the references above and should be confirmed against each company's own disclosures. Company names are used descriptively; no relationship is implied. Principia Orthogona · G6 LLC · Pablo Nogueira Grossi · Newark NJ · 2026 · g6llc@proton.me.