Commission Regulation (EU) Nº 720/2010 of 11 August 2010 initiating an investigation concerning the possible circumvention of anti-dumping measures imposed by Council Regulation (EC) Nº 599/2009 on imports of biodiesel originating in the United States of America by imports of biodiesel consigned from Canada and Singapore, whether declared as originating in Canada and Singapore or not and by imports of biodiesel in a blend containing by weight 20 % or less of biodiesel originating in the United States of America, and making such imports subject to registration