Before purchasing our 2021 View 24D, we briefly looked at towing a lightweight trailer with our Tesla Model X - which has 300 miles of range (non-towing)."
And quickly discovered that towing even a lightweight travel trailer would likely reduce range by around 50%. Which could mean stopping every two to two and half hours to charge - and having to wait 30-45 minutes to recharge enough to move on.
Plus, fast chargers usually don't provide pull through space to support a travel trailer - so we'd have to add the disconnect/reconnect time for the trailer at each charging stop.
That was several years ago. Fast charging has improved (some) - but still much longer than stopping for diesel or gas. Fast charging stations still don't support vehicles towing travel trailers - so while charging time might have gone down - charging stops will still take much longer than pulling through a pump for gas/diesel.
And, unless there is a major breakthrough in battery/motor technology, even if there are trucks or SUVs with longer range - that range comes from having larger battery packs. So when you do stop for charging, recharging those packs will take even longer.
Another factor is recharging at RV parks. Their electrical systems are probably not designed to support sustained EV charging - which pulls a continuous high load - for hours.
So it's going to take more than just getting an EV with longer range (Cybertruck could have at least 500 miles of non-towing range) - we're also going to need a lot more and faster chargers - and RV parks will likely also need to make electrical improvements...
While we hope we'll see an ERV or a EV tow vehicle with enough range to make sense, what's more likely is that the next RV we buy will have enough lithium batteries and solar to convert the coach/trailer to "all electric" - and at least eliminate the propane tank and have all electric appliances, plus the ability to run air conditioning without shore power or a generator.
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