"China's High-Speed-Rail Revolution"
"China has begun operating what is, by several measures, the world's fastest rail line."
Source: Technology Review, 01/12/2010
"China has begun operating what is, by several measures, the world's fastest rail line."
"Communities in cold climates around the USA are changing their approach to snow and ice removal from highways in an effort to reduce potential harm to wildlife and vegetation caused by road salt runoff."