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EEVblog #1181 - Car ECO OBD2 OptiFuel fuel saver scam!
Dave exposes the eco (Nitro) OBD2 Fuel Saver as a complete SCAM! Also known as the OptiFuel. They are supposed to talk to the ...
Gasoline is a refined blend of hydrocarbons specifically designed for everyday drivers. However, there are plenty of other ...
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