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A comment on 'A complete failure' Japan's 'fantasy' hydrogen strategy does nothing. Parent comment
The physical properties and limitations of hydrogen are well-known. Many people repeat them in other posts in this thread.
Here's a very factual explanation of why hydrogen internal combustion engines won't work: https://www.youtube.com/watch?v=vJjKwSF9gT8
(In summary, you can't compress hydrogen enough to fit in a reasonably-sized tank. The energy that it takes to compress hydrogen will be expensive.)
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The physical properties and limitations of hydrogen are well-known. Many people repeat them in other posts in this thread.
Here's a very factual explanation of why hydrogen internal combustion engines won't work: https://www.youtube.com/watch?v=vJjKwSF9gT8
(In summary, you can't compress hydrogen enough to fit in a reasonably-sized tank. The energy that it takes to compress hydrogen will be expensive.)