PaveGen has also recently received a round of financing from a group of London-based angel investors , although the sum is undisclosed . Engineer has developed paving slab that transforms energy from footsteps into electricity . First commercial order expected to power half of outdoor lighting at vast London shopping mall . Score: 6 Hopes one day to export across developing world to provide source of `` off-grid '' energy .
Engineer has developed paving slab that transforms energy from footsteps into electricity . First commercial order expected to power half of outdoor lighting at vast London shopping mall . Score: 6 Hopes one day to export across developing world to provide source of `` off-grid '' energy .