June 27th, 2013 at 9:33 AM To the Readers expert in Sterling (sic) Engine or manufacturers of Sterling (sic) Engines: Please send your proposals for Sterling (sic) Engines to be coupled with the O-Cats ( power 5 kW and 10 kW). Warm regards… O-cat 3.0 da 5 kW accoppiata a motore Sterling