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Clean Hydrogen Partnership

FCEV road collision

Event

Event ID
709
Quality
Description
A collision between two vehicles occurred at the corner of two streets. One vehicle was a fuel cells and hydrogen vehicle (FCEV), the other was a conventional one. Its driver incorrectly did not notice the red traffic sign and proceeded into the intersection where it collided.

Police, fire department, medical service intervened.

Both vehicles sustained "minor to moderate" front-end damage. Nevertheless, the frame of the FCEV vehicle was damaged too significantly to be repaired.
It did not come to any hydrogen release. The FCEV hydrogen and the high-voltage systems shut down upon impact, as designed. To confirm this, a visual inspection of the vehicle was performed, and the vehicle was checked with a sniffer.
Event Initiating system
Classification of the physical effects
No Hydrogen Release
Nature of the consequences
Macro-region
North America
Country
United States
Date
Main component involved?
Fcev
How was it involved?
Damage, No Release
Initiating cause
Impact, Rollover, Crash
Root causes
Root CAUSE analysis
The cause of the collision was an error of a driver

Facility

Application
Road Vehicles
Sub-application
FCEV
Hydrogen supply chain stage
All components affected
car, frame
Location type
Open
Location description
City
Operational condition

Emergency & Consequences

Number of injured persons
1
Number of fatalities
0
Currency
US$
Property loss (onsite)
100000
Post-event summary
Very light injuries to one driver. The decalred total loss of the FCEV could be approxiamtely evaluated at 100000 US$

Lesson Learnt

Lesson Learnt
This event is classified in HIAD as a near miss from the hydrogen system point of view, but still it was a road incident. The safety systems functioned as designed, because the emergency shut-down procedure activated and the hydrogen in the storage vessels was isolated.

The damage to the frame caused the vehicle to be been retired, but its fuel cells system remained intact and unharmed by the impact of the collision, and could be reused in another vehicle.

Amore generic lesson learnt was the need to conduct refresher training courses for the drivers and local emergency response personnel. Training had already been given, but the event highlighted the fact that emergency response agencies are subject to frequent personnel changes. Therefore, training should be repeated periodically.

Event Nature

Release type
no release
Actual pressure (MPa)
35
Design pressure (MPa)
35
Presumed ignition source
No release

References

Reference & weblink

Events in database H2TOOLS<br />
https://h2tools.org/lessons/hydrogen-fuel-cell-vehicle-traffic-accident… />
(accessed December 2024)

JRC assessment