SmogBuster tested by scientists, turns out to be useless, film at 11

Wouldn’t it be great if you could stick something the size of a quarter on the gas tank of your car and suddenly get better fuel efficiency? The OCN SmogBuster™ Disc is a custom holographic disc that is able to store and project proprietary programming that affects the properties of the gasoline or diesel fuel, causing it to burn cleaner and more efficiently. The press release has more details: The disc is about the size of a quarter and easily installs on the gas tank.