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this post was submitted on 01 Jan 2024
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Serious Question: Why can't we just have towable generators so EVs can go from an electric car to a Plugin Hybrid for road trips?
Generators aren't very expensive relatively speaking.
Yet I've never heard not seen this anywhere, and seems like a very easy solution to range anxiety.
An average EV consumes .32 kilowatt hours of electricity per mile. If you are driving 60 miles per hour, that means you are spending 19.2 kilowatt hours of electricity every hour. So you need a generator that's at least 19.2 kilowatt. Tack on some more because you are now towing the extra weight of a generator and because you are probably wanting to go 70mph and let's just say you need 25 kilowatts. This is what a towable 25kw generator looks like. It costs $22k. I'm sure cheaper ones could be made, but even at $10k, is it worth it? Just buy some plane tickets or rent a gas car for a week or take a train.
https://herogenerators.com/products/25-kw-caterpillar-towable-diesel-generator
Buy? No thanks I don’t even have a good place to store it, never mind maintenance.
But I’d rent it.
Only wrinkle: backing up. I’ve owned/used trailers many times so I have no problem with backing up, but many would. Can’t think of a way around this that would be even “almost” idiot proof.
Could use a trailer that stays directly behind the car. Like instead of just a ball hitch, have several mount points on the rear of the car, then it won't swing freely. Maybe rig it to only use one wheel when the vehicle turns (otherwise I think it would cause a bit of understeer).
Though people do learn how to use trailers. Some truck drivers even know the black magic of backing up with multiple trailers.