If you've ever ridden a bus in a city -- it doesn't really matter which one -- you know that the engine and transmission situated beneath the floor can get excruciatingly loud, both inside and outside ...

Last year London's 8,000 or so buses traveled 279 million miles and completed 2.23 billion journeys – more than half of all bus trips completed in England. But they're not green enough. Yet. According ...

To improve safety on its busy streets, London is set to trial an audio track on its hybrid and electric buses that will automatically play on external speakers when the vehicle is stationary or ...