A road ramp that uses passing cars to generate power has been developed. Dorset inventor Peter Hughes' Electro-Kinetic Road Ramp creates around 10kW of power each time a car drives over its metal plates. More than 200 local authorities had expressed an interest in ordering the £25,000 ramps to power their traffic lights and road signs, Mr Hughes said. The ramps generate up to 50kW of power. Around 300 jobs are due to be created in Somerset for a production run of 2,000 ramps next year. Plates in the ramp move up and down as vehicles pass over them, driving...