The curvature of a windshield is engineered for most fulfilling aerodynamics; its structure contributes noticeably to slicing

https://victor-wiki.win/index.php/Choosing_the_Right_Time_for_a_Winter_Windscreen_Replacement

The curvature of a windshield is engineered for premier aerodynamics; its form contributes extensively to cutting back drag even though using at top speeds.