@simon posted:no think not, the copper pipe has not a logical route for this.
first I was thinking it was for venting the battery caps, like how a 69/70 Mustang Boss429 use a hose for venting the battery into the trunk.
Simon
I would assume that the objective would be to keep the hydrogen away from the Parts which could ignite the hydrogen..
routing it TO the engine compartment, would be counterproductive… 💥