Forum Discussion
rjstractor
Dec 14, 2021Nomad
Reisender wrote:BobsYourUncle wrote:
I read a thought provoking jab at EVs this morning, something I never considered. Not trying to stir anything up, but out of lack of knowledge, it makes me wonder.
Let's suppose ICE vehicles are gone and it's all EV.
I'm sure we have all been in a situation where there is a major issue on the road, a bad wreck, a weather problem, whatever. The highway is closed for many hours while they address the situation, perhaps even overnight or longer. And its January. You and everyone else is sitting there trying to stay warm and you have a 3 mile lineup of EVs with dead batteries....
How good are the heaters in an EV, and how much power do they draw?
How do you rescue hundreds of motorists and clear a highway full of dead battery vehicles?
Maybe the solution is simple and I don't see it...
In that kind of situation an EV is a pretty good place to be. AN EV heater keeping a car warm draws less than a KW. A typical EV has a 60 to 100 kWh battery. You could sit there warm and cosy for days with no problem. The upcoming half ton EV’s have batteries between 140 to 200 kWh. You could probably stay warm and comfortable for a week in those. Same in summer with AC. Doesn’t take much to keep a warm car warm or a cool car cool.
Agree with Reisander on this one- A pickup with a 25 gallon tank uses about 1/4 gallon per hour idling and an EV with a 100 kwh battery will draw about 1 kw to keep the car warm. Either way, with a full tank or battery you have heat for 100 hours. Takes a whole lot more heat energy to move a car down the road than it does to heat it. It's easier to use a gas can to get an empty ICE vehicle going than getting a dead EV going, but they tell car drivers to be mindful of their fuel level before heading over a pass. EV drivers will need to do the same. But a 4-6 hour pass closure should not be an issue.
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