this post was submitted on 06 Jan 2024
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It's not a best case scenario - it's a precisely repeated series of accelerations, cruising with a specific amount of resistance applied to the wheels, and braking.
It won't match any real world drive. In the real world there are other variables, traffic, wind, hills, speed limits, etc. It's also intended to be a fairly typical highway drive, so in ideal conditions you will do better than the EPA range. Down hill, for example, the cybertruck can drive forever (unlike an ICE, which is so inefficient it uses energy even going down hill).
Modern ICE cars do not use fuel when coasting down hill. The computer completely shuts off the fuel injectors when coasting and the physical energy from the car rolling keeps the engine turning over.
That's cool. I didn't know that. Obviously no regen braking so won't ever quite be as efficient downhill as an EV, but I'm glad ICE cars considered this and have a fuel/environment saving solution.