VW snowed under by emissions tests

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This file photo taken on September 29, 2015 shows the logo of German car maker Volkswagen at a dealership in Woodbridge, Virginia The US branch of embattled German carmaker Volkswagen announced on August 29, 2017.

JOHANNESBURG - Volkswagen warns that meeting new emissions requirements, and getting new cars approved for sale, are proving to be a challenge.

The German car manufacturer is now planning temporary closure days at its main factory to prevent a build-up. 

Volkswagen says it doesn&39;t have enough equipment to test and approve vehicles for sale.

READ: VW boss &39;convinced of diesel renaissance&39;

The company is reeling after its September 2015 emissions-cheating scandal.

Last month, former chief executive Martin Winterkorn was charged in the US for conspiring to mislead regulators.

Volkswagen was found to have falsified diesel vehicle emission levels by installing devices that allowed cars to perform better in test conditions than on the road.