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by dredmorbius
1311 days ago
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Answered in large part here: <https://news.ycombinator.com/item?id=33631996> Cost, safety, scale (there are 80,000+ commercial vessels), reliability, crew training and costs, etc. Combustion's highly proved, reliable, and safe technology. Range is sufficient for transoceanic transport. Emissions (both CO2 and other factors) are an issue, but could be mitigated with synthetic fuels, possibly biofuels (though even shipping would strain capacities required). |
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