Boasting the world's second largest rail network, Russia looks to heavy hitters in the industry to come up with the latest innovations. Rocket-powered trains help pave the way for upcoming high-speed rail links. A new diesel-electric hybrid hopes to clean up the tracks with massive savings in fuel and emissions. With so many people riding the rails, safety is priority number one for a trio of companies that have created a truly comprehensive safeguard system. And international firms have got in on the act, lending a helping hand in the rush to prep the seaside city of Sochi for the Olympic Games.
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