Document Title GTR 20: Request for an Authorization to develop Phase 3
Reference Number GRSP-78-18
Date
28 Nov 2025
Summary Draft request prepared by the EU proposing a Phase 3 covering:
  1. Expansion of protection scope of thermal propagation test;
  2. Post-crash REESS safety assessment, stabilization procedures and nonoccupant and surroundings safety;
  3. Maintaining the EV battery safety during the in-use phase;
  4. Safety of swappable batteries;
  5. Micromobility, light-category vehicles, e-trailers safety;
  6. Quantitative criteria on flammability, toxicity and corrosiveness of vented gases and smoke; and
  7. Bottom protection.
Source(s) EU
Rulemaking Area(s) GTR No. 20 Electric Vehicle Safety
Meeting(s)
Related Documents
WP.29/2026/42 Electric Vehicle Safety: Request for authorization to initiate Phase 3
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