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Asia-PacificPolicy profile

Thailand

Mandated

Tracked mandates

1

Active obligation

Policy targets

3

Published markers

Official sources

4

Government records

Mandate register

Requirements, timelines & compliance

Each obligation is tied to its administering authority and primary published source.

Ethanol blend
E20 as reference grade
Biodiesel blend
B7–B10
Aviation
1% SAF from 2026 (planned)
In forceEthanolBiodiesel

Alternative Energy Development Plan blending requirements

Diesel is sold as a mandated B-grade blend and gasohol grades carry mandated ethanol content.

Timeline

  1. 2008

    B2 mandatory biodiesel blend introduced.

  2. 2019

    B10 designated the base diesel grade.

  3. 2024

    E20 promoted as the base gasohol grade.

  4. 2026

    Blend levels adjusted periodically with feedstock availability.

Requirements

  • Base diesel grade blend level set by the Department of Energy Business and adjusted with palm-oil supply.
  • Gasohol E10, E20 and E85 grades sold with E20 promoted as the base grade.
  • Oil Fuel Fund used to manage retail price differentials between grades.

Compliance status & enforcement

Administrator
Ministry of Energy — Department of Energy Business
How compliance is shown
Fuel-quality notifications and inspection of refiners, blenders and retail stations.
Penalty for shortfall
Penalties under the Fuel Trade Act for off-specification fuel.
Tradable unit
None — physical blend obligation