Being aware of Formula-E it was only a matter of time before someone suggested modifying the inner lane of motorways so that electrically powered heavy transport vehicles can pick up power on the move. Believe it or not that suggestion has moved on to a proposal to bring back overhead (tram) wires which will require the relevant vehicles to be fitted with a pantograph - going 'back to the future'. *Article by Tom Stacey - Senior Lecturer at Anglia Ruskin University (UK). Read on: https://www.uk.yahoo.com/news/e-highways-why-motorway-cables-161852251.html