In the COMET Project Research Centre for Low Carbon Special Powertrain RC-Lowcap Austrian scientists work on the reduction of CO2 emission of small propulsion systems and powertrains considering the whole product life cycle. The international research consortium under the lead of Graz University of Technology consists of 9 company and 4 scientific partners and deals with powertrains for two-wheelers, small automobiles, as well as hand-held tools and garden equipment. The consortium is funded by the Austrian Federal Ministries BMVIT and BMDW as well as the Provincies of Upper Austria and Styria and dedicated for the research on Low CO2 powertrain for small applications.