How to make a battery powered plane that can fly long distances, whilst carrying passengers, is a key challenge facing the aviation sector.

As the world tries to reduce its consumption of fossil fuels, researchers are looking to make flight more sustainable to deal with ever growing demands.

We hear about some pioneering projects in the Netherlands which are trying to do all of this, whilst still being commercially viable.

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Produced and presented by Matthew Kenyon

(Image: A render of Dutch start up Elysian's fully electric regional aircraft, which it says will have a range of 500 miles. Credit: Elysian)