Following the fastest route offered by an in-car satellite navigation system has become second nature to many motorists. When it comes to minimising greenhouse gas emissions, however, the best route might not be the fastest nor even the shortest.
Now Eva Ericsson at the Lund Institute of Technology in Sweden has been testing a satnav system that has been programmed to work out the most efficient route. In tests on the streets of Lund, Ericsson and her colleagues Hanna Larson and Karin Brundell-Freij have shown that their satnav system can work out routes that are significantly less polluting than the…
