Electric cars might cut our carbon footprint and the impact of driving on the environment, but it appears they pose a more direct threat. Pedestrians, especially the visually and hearing impaired, are falling victim to a silent menace. RT's Polly Boiko explains.br br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ Listen to us on Soundcloud: br RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.