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2. Meeting Sulfur Specifications for 2000 and Beyond: March 26-29 2000 San Francisco
3. The Role of Environmental Due Diligence in Property Transactions:Pollution Engineering Online, Nov 2000
4. The Cruise Line Industry is Getting Cleaner:Pacific Maritime Magazine, February 2002
5. More Hype Than Hope: How Conservation Evaporates Ethanol's Benefits For Cars Posted November 2006 * New *