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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 ...
Los Angeles, CA, May 27, 2026 (GLOBE NEWSWIRE) -- Results may vary. Individual outcomes with any OBD2 fuel optimization device depend on vehicle age, driving habits, maintenance history, fuel type, ...
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