Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators.
The German carmaker is trying to find a way to repair almost 600,000 cars in the US affected by so-called defeat devices, which VW admitted installing to dupe test laboratories into thinking its vehicles emitted fewer pollutants. The cheat software affects more than 11m cars worldwide.
But while VW has been granted approval in Europe to carry out software patches and cheap hardware fixes for 8.5m cars, it has yet to find an acceptable solution in the US.
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