this post was submitted on 30 Nov 2023
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[Dormant] Electric Vehicles (Moved to !electricvehicles@slrpnk.net)
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No, all cars are tested primarily by the manufacturer. If the EPA suspects fraud (VW, Tesla, Mercedes, etc.) they may perform tests of their own to verify, but they are the extreme rare exception.
Also, the "door open" test wasn't inefficient because the test was run with the door open. The tests are done on a dynamometer and aren't done actually driving on an actual road. Tesla complained because they said it kept the car awake longer than it should between when it was charged and when it was tested. The difference between 400 and 402 miles is idiotic to even attempt to dispute because the vehicle will never accomplish that in the real world anyway.
Also its not extreme rare situations
https://www.fueleconomy.gov/feg/how_tested.shtml
Since writing that page roughly an eternity ago, they have not confirmed 15-20%, and have complained about the lack of staff to do such a thing. You're only just learning about this all now, so it's an easy mistake to make.
It was 390 and 402, it wasn't idiotic, it was also to be the first 400m production EV.
I also never said why the door was the problem, just that it was. (Edit but the point was the EPA did test it)