Electric cars are by and large ridiculously fast with pretty poor range, especially the news trucks if they are going truck like things such as towing and hauling. Wouldn’t making them a bit slower increase range and/or reduce battery size and charging time/cost?
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Far and away the biggest factor in EV performance at highway speeds comes down to aerodynamics. This is clearly illustrated in the rash of towing testing that various people are now conducting since BEV trucks are now in the market.
Slowing down will absolutely positively impact range, as will choosing a more aerodynamic trailer design.
Reducing the battery size won’t have nearly as much of an effect because the weight penalty is overblown, at least when it comes to highway speeds. It may make a bigger deal if one is generally in stop-start traffic, or with a bunch of hilly terrain.
In fact reducing the size of the battery may actually have a negative effect on overall towing trip times since a larger pack can accept a higher amount of power when recharging for longer. Meaning that you’ll get more kWs faster with a bigger pack. This will be a controversial statement since it will depend on the specific vehicle and how efficient it already is. Definitely not a universal rule but could hold true for some vehicles. But as always, a pig is going to be a pig.
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