Alberta is heavily populated with pickups, many decades old (no rust or emissions checks). Their headlights are high up and poorly aimed. The SUVs are newer and

Alberta is heavily populated with pickups, many decades old (no rust or emissions checks). Their headlights are high up and poorly aimed. The SUVs are newer and better aimed. Another factor is that plastic headlight housings cloud up and over vigorous polishing will change the optics.