Electricity is the only way to keep your lungs clean and clear of nasties but I cant see anyone enjoying a day out climbing up gantries and checking insulator pots like my Dad used to. But the power of electricity is absolutely king unless you are in the wet on an upward curving slope watching for wheel spin! Can you imagine a Heritage Railway which actually has full DC overhead lines and a huge generator to kick in supplies for running services at weekends. The chimney for the gennie would have to be quite high I would imagine.
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