In the future, there are good conditions for domestic aviation in Sweden to convert to electric and electric hybrid aircraft, believes Konstantinos Kyprianidos, researcher at Mälardalen University.

But there are question marks that need to be cleared up before the technology can make a breakthrough.

In the clip, you can hear the researcher's answers to three questions about electric flight.

The moving images in the clip are from the world of Science about the electric aircraft of the future.