World Electrification
In 2006, 240,000 km (25% by length) of the world rail network was electrified and 50% of all rail transport was carried by electric traction.
Read more about this topic: Railway Electrification System
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“Research is formalized curiosity. It is poking and prying with a purpose. It is a seeking that he who wishes may know the cosmic secrets of the world and that they dwell therein.”
—Zora Neale Hurston (1891–1960)