Switzerland has electrified 100% of its railway network, India 94%, China 74%. The UK lags behind at 38% (measured by length of track) although many of the busiest routes are electric. Read more

Great Western Railway is operating a battery-powered train on the West Ealing to Greenford branch line, as a first step to replacing diesel trains on routes that have proved difficult or expensive to electrify with overhead wires. Read more