What would you say to a £34.99 ($53.75) device that plugs into your car's lighter socket and gives you 10-30% better fuel economy, cleans the entire car electrically and improves audio sounds? We totally believe all those claims, and those are just a few of the benefits offered by the Magic Power System, aka Power Bar. How do you suppose this device works? Blood-magneto suction drums? Electrical system acupressure? Charm quark intimidation?