Ptsf,

True, but eletric overhead has significant upkeep and initial investment costs, as well as pure grid reliance. Batteries have significant weight, cost, and technical requirements combined with a relatively low lifeapan. Every energy system is going to have it’s downsides. Hydrogen fits well in train use cases because they often rely on being able to fuel relatively quickly (low downtime means less expensive engines required), operate in areas with unreliable grids (urban through shipping), and it has a relatively low initial investment cost (about on par with regular diesel). Hopefully it would be generated with on-site renewables, but we’ll cross that road when we get to it. Oh, and another thing people often forget about batteries is that once you account for losses in transmission, voltage conversion, and charging it ends up being significantly less efficient. I’ve been unable to find exact statistics for this in % though.

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