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Channel Tunnel's new refrigeration system achieves energy savings of over 30%

R1233zd(E) proves its efficiency in Europe's largest cooling system.

With a length of 50.5 km, the Channel Tunnel has connected England to France since 1994. It is the longest undersea tunnel in the world. Because of the heat generated by high-speed trains, the temperature of the tunnel could reach 50 °C...

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