The big problem with an electric sled is that a gas powered sled has 330kWh of energy compared to a 25-30 kWh battery. That is a 10x difference.
this comparison does not take in to account the greater energy efficiencies offered by a BEV, although i agree even with a correction to your equation, the difference between the two will prove to be insurmountable in the near future unless there are fantastic advancements made through SSD or graphene etc
Anyone know the efficiency of a conventional sled? IE what % of the available power actually is laid down on the track? I wonder what that will be for a BEV sled? 15%? Do you think the difference b/w the two will be as great witnessed in the automotive industry ? deleting a CVT and chaincase etc will eliminate a lot of frictional loss.
Also, BEV sleds will not be able to take advantage of regenerative braking.
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