Hey.
What comes out of the stacks/tailpipe is just water, water vapor. Period. Not explosive, just water.
However, the fuel, hydrogen, is highly flammable of course. LEAKS of hydrogen, could be trouble, like, the Hindenburg.
Also, leaking diesel, easy to notice, hard to ignite leaking gasoline, easy to notice, easy to ignite. Leaking hydrogen, impossible to notice, and depending on the concentration, explosively easy to ignite or impossible to ignite.
Just crossed convo threads, tailpipe vs leaks.
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