Veolia Wins \$800 Million U.S. Deal  NEW YORK (Reuters) - Veolia Environment &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=VIE.PA target=/stocks/quickinfo/fullquote"&gt;VIE.PA&lt;/A&gt; executives  on Tuesday said the French utility's waste management unit had  won a 10-year, \$800 million contract extension in Florida.