The bidding process for Argentina's Paraná-Paraguay waterway concession is in its final stages, facing scrutiny over its design and potential irregularities.

<p> <img alt="The process has drawn controversy. A group of opposition lawmakers requested the tender&#039;s suspension after alleging that a technical report attributed to the United Nations had been forged" height="80" src="https://en.mercopress.com/data/cache/noticias/110073/100x80/hidro.jpg" style="float: left; margin: 0 12px 6px 0; border: 1px solid #333;" width="100" /> The tender to concession Argentina's Paraná-Paraguay waterway for 25 years —the country's main fluvi...