The German vehicle maker says its investment will be in the double-digit billions of euros.

VW, which together with GM and Toyota is one of the world's biggest car manufacturers, aims to sell up to three million e-vehicles a year by 2025, equivalent to 20-25% of its total unit sales expected by then.

It didn't detail what share of the investment will go into batteries, but says it plans to develop battery technology as a new competency.

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