Overview
- The Energy Secretariat set January floor prices for bioethanol and biodiesel, raising them about 1.27%–1.30% to $976.457 per liter (cane), $894.949 per liter (corn) and $1,797,881 per ton (biodiesel).
- The mandatory biodiesel share in diesel was restored to 7.5% after a November reduction to 7%, while the gasoline blend remains 12% split between cane and corn under Law 27.640.
- A partial update of Liquid Fuels and CO2 taxes under Decree 929/2025 adds roughly $17.29 per liter to gasoline and $14.39 to diesel, plus $1.059 and $1.640 from the carbon levy respectively.
- The government deferred the remaining scheduled fuel‑tax increase to limit immediate pass‑through, with regional differentials for Patagonia maintained under Law 23.966.
- Separately, the gas regulator ENARGAS approved higher natural‑gas distribution tariffs nationwide through Resolutions 1009/2025 and 1012/2025.