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I'm disappointed to hear a negative remark about the green goat. One concern I have is in cost comparisons, Railpower didn't include maintaining a fleet of large batteries. Batteries have some pretty toxic stuff in them that require special handling. Also, Railpower suggests that in the future a hydrogen fuel cell could replace the small diesel generator charging the batteries. This is not a large stretch of imagination, because fuel cells currently have small output and by design or operation are not variable in their output - a small constant output fits the bill for battery charging. A common misconception about hydrogen fuel cells is that the hydrogen is for combustion. Fuel cells cycle hydrogen molecules through a matrix to generate electricity. A switcher has loads of short duration, what about a road locomotive with constant demand and high loads?
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