Experts from the Engine Manufacturers Association ( EMA ) and the International Federation of Automotive Aftermarket Distributors ( FIGIEFA ) participated at the invitation of the secretariat . The second informal meeting of the GRPE working group on Hydrogen and Fuel Cell Vehicles - Subgroup Environment ( HFCV-SGE ) was held on 16 January 2006 ( morning only ) under the Chairmanship of Mr. A. Perujo ( EC-JRC ) .