Technical Regulations

Article 83

FIA Source

ERS Fluid

Chapter: Appendix C4

In Simple Terms

Article 83 governs the specification and use of fluids in the Energy Recovery System (ERS). Teams must use only approved ERS fluids that meet strict technical requirements to ensure fair competition and safety across all cars.

  • ERS fluid must be supplied by the official supplier or meet FIA-approved specifications
  • Teams cannot modify or add unauthorized substances to the ERS fluid
  • ERS fluid specifications are standardized to prevent competitive advantage through fluid composition
  • Regular checks and analysis of ERS fluid are conducted by the FIA to ensure compliance
Official FIA Text

ERS Fluid

ers fluidenergy recovery systemfluid specificationsfia approveders regulations
2026 Season Regulations