NEW SOFTWARE PROBLEM: A problematic energy recovery system means that affected Volkswagen models use more fuel. Image: AP / Kai-Uwe Knoth
Berlin, Germany - Volkswagen has uncovered yet another software problem affecting its vehicles' fuel consumption, adding to a massive pollution cheating scandal that has engulfed the automaker.
Die Welt reported: "Volkswagen has new software problems, including one that has a direct impact on the consumption."
More fuel usage
The faulty software manages the recovery of energy, which can be used to recharge car batteries - an essential component that keeps the vehicle's lights and air-conditioning or heating running.
A problematic energy recovery system means that the car would have to use more fuel.
A Volkswagen spokesman quoted by the newspaper confirmed the problem, but said it affected "certain vehicles rather than all the vehicles of this or that series".
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Volkswagen was not immediately available for comment.
Die Welt said the automaker had first revealed the problem during a meeting with German investigators on the emissions cheating scandal that erupted at the end of September.
Volkswagen stunned the world with its admission then that it had fitted 11-million diesel vehicles with software "defeat devices" designed to cheat in nitrogen oxide emissions tests.
Volkswagen subsequently revealed that beyond the nitrogen oxide scam, it had also understated carbon dioxide emissions of 800 000 vehicles, including petrol cars.