The International Council of Combustion Engines (CIMAC) has set the dates of 21-24 May 2007 for the 25th CIMAC Congress 2007, to be held in Vienna, Austria. A leading event in the field of ship propulsion, power generation and rail traction, the CIMAC Congress 2007 will focus on all aspects of energy conversion and engine operation. CIMAC's Call for Papers will welcome the submission of abstracts up to 1 May 2006. Further information at: