Not even a new idea. Remember cars with vent windows? Way more practical fully adjustable for directional air flow.
My daily driver has them
But if you really have a need to cool down get one of these just add water occasionally for cold air while cruising down the highway
LED toilet paper holder - photo-800px-car_cooler_on_1950_chevy.jpg
https://en.wikipedia.org/wiki/Car_cooler