this post was submitted on 03 Sep 2024
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[Dormant] Electric Vehicles

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Efficiency can cut EV prices by $5k, charging costs by nearly a third (www.greencarreports.com)
submitted 3 months ago by [email protected] to c/[email protected]
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In a new white paper, the group notes that boosting efficiency allows for smaller battery sizes, which in turn cuts costs. Most EVs average 2.5 miles per kwh, according to the paper, but the Tesla Model Y averages 3.5 miles per kwh. That's a 40% increase which, assuming similar range, allows for a 40% reduction in battery size that's worth up to $4,800 in cost savings, the ACEEE reasons.

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[–] [email protected] 28 points 3 months ago (12 children)

It's absurd to me that the new norm in EVs is to pack 90-100 kWh in a car. With this amount of capacity, I could run my house for almost two weeks (8kwh/day).

Lets build and maintain a proper charging nework so we don't have to buy batteries that last 600km/400 miles.

With good charging options, 50kwh should be enough for most people.

[–] spidermanchild 2 points 3 months ago (1 children)

Not sure where you live, but 8kWh/day is very low for a house. You'd have to have gas heat/hot water and no/minimal AC to get anywhere close to that. Just putting this out there for perspective - almost nobody will get 2 weeks of power out of 90-100 kWh, and if they do it's usually because they're burning other fuels. I'm in Colorado in an all electric home and use 3x as much as you. Totally agree that we dont need such bloated EVs though.

[–] [email protected] 1 points 3 months ago

You're right, this is both without heating and cooling. We have district heating, the only thing that is running in my house is a pump. And no AC.

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