There's an idea...
Wheel Apes
Wheel Monkeys
Motor Monkeys
How about...
Elbow Skinners (You know what I'm talking about)
Smoggers
VIPs (Vehicle Induced Polluters)
Phone Booth Drivers (You still know what I'm talking about)
NASCAR Wannabes
Drive-by Polluters
Pollutant Pansies
Jonathan