On this episode of 22nd Century I chat to Laurence Kemball-Cook, CEO and Founder of Pavegen. Dubbed the Tesla of Smart Cities, Pavegen's pavement tile solution captures kinetic energy from peoples footsteps and converts this into electricity. By debunking myths of the technology, we discover whether the cost of outlay justifies the benefits, how data captured from the tiles can be used, whether the technology has long term viability in the future and what its like having a duck as a pet.