A new start-up says that it could offer an electric-powered commercial flight from London to Paris in 10 years. The plane would carry 150 people on journeys of less than 300 miles. Wright Electric says the price of travel would drop dramatically if there was no jet fuel. British low-cost airline Easyjet has already expressed an interest. Graham Warwick, technology editor of Aviation Weekly, spoke to Share Radio's James Brydges.