High-speed rail plans are plagued by questions, uncertainties

08/19/2010 | CNN · International Business Times

Advocates of high-speed rail in the U.S. tout rail transport's ability to lessen the country's dependence on foreign oil, curb greenhouse gases and stimulate economic development. But detractors worry about the cost and the energy-savings claims. What's certain is that many questions continue to surround high-speed rail; many won't be answered until the tracks are laid. Some 31 states have received federal funds to build high-speed intercity rail.

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CNN · International Business Times