Why do some 18-wheeler truck drivers cover their front grill with cardboard in the winter time? Doesn't that limit the air intake going to the engine compartment? - Quora
Kenworth Grill TK-1002 - Semi Truck Parts and Accessories
What Are the Benefits of Using Winterfronts for Semi Trucks?
Peterbilt Semi Truck Hauler Winterfront Bug Rock Guard Grille Cover w/ Logo | eBay
Peterbilt Semi Truck Chrome Like Grill Front Pendant Metal Pewter Truckers Otr | eBay