The latest version is...
The latest version is a true zero-emissions vehicle, thanks to the advanced E-Flex propulsion system. It does without the original"s 1.0-litre three-cylinder turbocharged engine. Instead, power is provided by two sources: an advanced hydrogen fuel cell, carried on board, and a lithium-ion battery.
The machine emits an...
The machine emits an infra-red beam which is reflected back to the device by everything except human skin - so any dark blobs which don"t reflect the beam are assumed by the camera to be people. A computer chip then analyses the image to work out how many blobs were "seen".
"It can easily tell the difference between cardboard cut-outs, plastic dummies and real people," said inventor Dr Leon Lobo of Laser Optical Engineering, Loughborough, Leicestershire. With careful positioning, the í‚á£90,000 camera can see rear seat passengers, too. It is currently being trialled on the UK"s first HOV lane in Leeds.