Analysis: Energy-efficient railroads offer solutions, face challenges

12/11/2009 | National Journal (subscription required)

Warren Buffett's recent investment in rail isn't just a boon for rail stocks, it's a bet on freight rail's bright future. Energy-efficient rail offers a solution to growing concerns about climate change, fuel consumption and crowded highways. But freight rail has its challenges, which include future capacity constraints, regulatory uncertainty and proposed climate-change legislation.

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