A car’s on-board diagnostics interface (OBD2). In times like these when fuel prices are reaching dizzying heights, who wouldn’t want to plug in a module to their car to optimise the software for fuel efficiency. Devices like these are being sold on Amazon and elsewhere, promising 15% fuel savings. It’s a scam. — dpa
HANOVER: Car fuel savers, electronic devices which claim to be able to save you money by reducing your car’s fuel consumption, are widely available online. But do they actually work? In a word, no.
The plug-in modules connect to the diagnostic interface (OBD2), which has been available in almost all vehicles for around 20 years and is used by workshops to read vehicle data or faults.
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