New specifications to be published in 2026 or later

• Alternative Energy Supply – Hydrogen
• CCS On-Board
• HVAC (v3)
• Welding (statement only)
• Toilets v4.0

New initiatives in 2026+ (potentially)

• FRP (Fibre reinforced plastic) exteriorparts
• Interchangeability of the TCMS
• Replacement Refrigerants for HVAC
• CyberSecurity
• TCMS message hierarchy
• PFAS (Per- and Polyfluoralkyl substances)
• Gangway in double deckers
• Maintainability
• Remote train operation / ATO (parking place to platform)
• Documentation (v3)
• Upgradeability electronic parts

The finished EuroSpec specifications are published and free to download on this website.