In the Prius 70˚ is the magic number at which point FE savings are largest because once you reach that the engine doesn't run when it's not needed.
I also have sealed off my engine compartment with a grille block and foam weather stripping to keep all that heat in.
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Vortex generators are old tech. My new and improved vortex alternators are unstoppable.
"It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.
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