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Environment & Energy

Caribbeans

(978 posts)

4. H2 is 14 times lighter than air

Reply to Think. Again. (Reply #2)

Fri Aug 30, 2024, 06:53 PM

Aug 30

https://www.energy.gov/eere/fuelcells/articles/safety-codes-and-standards-fact-sheet

which is why escaped hydrogen isn't as big a problem as escaped natural gas or propane, which we all know can be a big problem. Escaped propane sinks and collects leading to things like this. Those who say H2 is "dangerous" must hate to see big propane tankers driving around!

Imagine the bang!

As opposed to this

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11 replies

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Highlight:

How did Recology's hydrogen fuel cell truck pilot go? [View all] Caribbeans Aug 30 OP

Hmmm? The hydrogen-powered trucks don't have an issue with heavy payloads...? brush Aug 30 #1

In the video he mentioned.... Think. Again. Aug 30 #2

H2 is 14 times lighter than air Caribbeans Aug 30 #4

It's the tank needed to hold enough H2 for a decent range that is heavy. progree Aug 30 #6

I believe those H2 storage tanks are made of lightweight composite material... Think. Again. Aug 30 #7

I'm wondering "light weight" compared to what? progree Aug 30 #8

I really don't know, the Fuel Cell unit and electric motors themselves I would guess. Think. Again. Aug 30 #10

Here in Santa Cruz County, electric buses couldn't make the hills well. CoopersDad Aug 30 #11

Thanks for posting this! Think. Again. Aug 30 #3

"Hyzon said the fuel used in the Recology pilot was derived from natural gas. ..." progree Aug 30 #5

I think (but not sure) that the problem with Green (no ff) vs. Blue (uses ff) H2 is the lack of... Think. Again. Aug 30 #9