By Almudena Calatrava
BUENOS AIRES, Argentina (AP) _ South American engineers are trying to tackle one of the continent’s greatest natural challenges: the towering Andes mountain chain that creates a costly physical barrier for nations ever-more-dependent on trade with Asia.
Instead of pushing cargo over a 10,500-foot (3,200-meter) pass that is often blocked by snow for weeks, they plan to build the longest tunnels in the Americas right through the mountains. That would make billions of dollars worth of Chinese electronics, Chilean wine, Argentine food and Brazilian cars cheaper and more competitive.
The proposed $3.5 billion private railway known as the Aconcagua Bi-Oceanic Corridor would link train and trucking hubs on both sides with a 127-mile-long (205-kilometer) railway, including twin 32-mile (52-kilometer) tunnels. Construction would take 10 years, but once completed, it could save millions of dollars and carve days off shipping times.1 2 3 next >>
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