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Argentina Reinstates Fuel Tax Updates, Phasing In Hikes From September to October

The measure restores CPI-linked indexation that had been deferred, establishing a schedule to recover past increases.

Overview

  • Decree 617/2025 was published in the Boletín Oficial, setting a new update scheme for liquid fuel and CO₂ taxes starting in September.
  • Partial increases will apply from September 1 to 30, with the full accumulated adjustment taking effect on October 1, 2025.
  • For gasoline, the decree sets increases of $10.523 per liter for the fuel tax and $0.645 per liter for the CO₂ tax.
  • For diesel, it establishes $8.577 per liter for the general tax, $2.895 per liter for the differential rate, and $0.978 per liter for the CO₂ tax.
  • The rule repeals Decree 466/2024 and aligns updates with the statutory quarterly CPI-linked mechanism, with analysts expecting pass-through to pump prices and knock-on effects on transport and consumption.