Fuelshark Wants Us To Apologize Because They Sell Bullshit

A couple months ago I reviewed a remarkable-sounding product called the Fuelshark, a simple plug-in device for your car that claimed to improve gas mileage. I did some tests, took it apart, and found their claims to be bullshit. Well, the Fuelshark people finally got around to reading it, and they're pissed. They want… »2/21/14 4:00pm2/21/14 4:00pm