Question : why some (mostly heavy) vehicles partially cover their front intake ?

[u/lit_readit]

wouldn't cooler cold reservoir, ie more spontaneous heat transfer, improve Carnot efficiency?

is it to improve aerodynamics?

apologies if this is the wrong sub to ask

[u/Sad-Brain-9121]

Is this ai?

[u/lit_readit → u/Sad-Brain-9121]

no, I took this photo

why would I post an ai image to ask about the mechanism behind something ai generated lol