From BBC News.

Tech Now reporter Adrienne Murray has taken to the skies in Sweden to explore developments in electric flight.

She heads behind the scenes at Heart Aerospace, the hybrid-electric airplane maker, to see the tech powering the company’s first full-scale demonstrator airplane.

Subscribe here: http://bit.ly/1rbfUog

For more news, analysis and features visit: www.bbc.com/news

#BBCNews