Amtrak operates the US national passenger railroad system, responsible for transporting more than 31 million passengers per year to more than 500 destinations across 46 states. With that responsibility comes an energy expenditure of more than $150 million annually: energy used to power more than 300 trains and 1,000 sites. About one third of that total is spent on what Amtrak terms “non-traction utilities” or the power used to operate ever

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