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tomhagen

(3,604 posts) Mon Sep 9, 2019, 09:50 AM Sep 2019

Germany unveils Zero Emissions Train that only emits steam

https://www.independent.co.uk/news/world/europe/germany-unveils-zero-emissions-train-only-emits-steam-lower-saxony-hydrogen-powered-a7391581.html?cmpid=facebook-post

As we fall further and further behind. They also have better health care

3 replies

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Germany unveils Zero Emissions Train that only emits steam (Original Post) tomhagen Sep 2019 OP

November 2016 article. hedda_foil Sep 2019 #1

Conservation of energy... tandem5 Sep 2019 #2

+1 Mosby Sep 2019 #3

hedda_foil

(16,371 posts)

1. November 2016 article.

Reply to tomhagen (Original post)

Mon Sep 9, 2019, 10:34 AM

Sep 2019

tandem5

(2,072 posts)

2. Conservation of energy...

Reply to tomhagen (Original post)

Mon Sep 9, 2019, 02:21 PM

Sep 2019

Pure hydrogen is not naturally occurring. It takes energy to split off a free hydrogen atom. Hydrogen combustion or fuel cell approaches are innovations of energy storage and point of use (converting to electricity at the final stage to power a motor) and *not* emissions. Where things matter is earlier in the energy supply chain. What power source was used to free hydrogen? And the answer usually falls under the main categories of geothermal, solar, wind, nuclear, hydroelectric, and fossil fuel.

Mosby

(16,258 posts)

3. +1

Reply to tandem5 (Reply #2)

Mon Sep 9, 2019, 03:09 PM

Sep 2019

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