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A comment on Warming up your car before driving in cold weather can damage the engine. Parent comment

Re:Warming up your car before driving in cold weather can da... by lazide on Sunday December 25, 2022 @04:14PM (#34131344)
Heating a 75kw battery up from -17F to 77F uses about 3kwh. So about 3-4%.

This is not a significant concern, frankly.

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