Governor Martin O’Malley and Sergio Cabral had a meeting in Brazil and signed a Memorandum of Understanding (MOU). Invitations were extended to Governor Martin O’Malley to visit Rio de Janeiro in 2012, but no representatives could travel. This invitation entailed attending the World Summit of States and Regions. Conferences are held by committees throughout the region to help promote targeted subjects. In 2006, the Rio de Janeiro Committee, meet up in order to host the Renewable Fuels Conference which allowed energy workers from all over the world share personal expertise and have business to business connections.