offbeat Photovoltaics are still running after a year under Swiss trains Solar boss reckons challenges are regulatory, not technological
networks Germany went off the rails as wireless outage saw all trains cancelled Unexplained GSM-R failure at Deutsche Bahn caused confusion and delay
networks Brit regulator finds mobile network service on trains is far from first class Comms watchdog says up to 83% of tests fail the 'good performance' threshold
