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Clean Hydrogen Partnership

Release from a truck transporting liquid hydrogen

Event

Event ID
100
Quality
Description
A small release of hydrogen occurred after the collision between a truck containing liquid hydrogen and a truck containing manganese dioxide on a highway.
Due to the release, the traffic was interrupted for 4 hours and the safety system of the truck repaired.
Event Initiating system
Classification of the physical effects
Unignited Hydrogen Release
Nature of the consequences
Leak No Ignition (No additional details provided)
Macro-region
Europe
Country
France
Date
Main component involved?
Valve (Generic)
How was it involved?
Rupture
Initiating cause
Impact, Rollover, Crash
Root causes
Root CAUSE analysis
INITIATING cause was the collision between vehicles. In absence of information on drivers and driver behaviours, the ROOT CAUSE can be attributed generically to a human error (wrong maneuvre)

Facility

Application
Hydrogen Transport And Distribution
Sub-application
LH2 tanker
Hydrogen supply chain stage
Hydrogen Transport (No additional details provided)
All components affected
LH2 Truck
Location type
Open
Operational condition

Emergency & Consequences

Number of injured persons
0
Number of fatalities
0
Post-event summary
The hydrogen tank was isolated and its safety system repaired by specialists.

Event Nature

Release type
Liquid
Involved substances (% vol)
H2 100%
Presumed ignition source
No ignition

References

Reference & weblink

Original description of the event #31267 in ARIA database<br />
https://www.aria.developpement-durable.gouv.fr/accident/31267/<br />
(accessed December 2025)

JRC assessment