On: Towing a Tesla at 70 MPH replenishes battery at fast charger rates

[throwawayboise]

What does the equation look like when you subtract the energy used in the actual mining, though?

[ols → throwawayboise]

On the other hand it would be nice to count in that the iron ore gains value when it's moved from inside the mine to the port.

[beowulfey → throwawayboise]

thats not really a factor because the ore is being mined for other reasons, not strictly to generate power