It can be a pain to think of how much money you spend for gas every month. Sometimes, you avoid leaving the house just because you want to save some gas money, and sometimes, it’s painful to think ...

Dave exposes the eco (Nitro) OBD2 Fuel Saver as a complete SCAM! Also known as the OptiFuel. They are supposed to talk to the car's ecu via the can bus on the OBD2 connector, but does it even do that?

Effuel ECO OBD2 is a new performance enhancement device recently introduced into the automotive world. This small and compact chip has completely changed the entire concept of automobile fuel ...