Home | Sovena Worldwide | Our Contacts | Site index Agro Diesel Business Area Our Factories Our Quality Assurance Our Contacts Press   Sovena > Bio Diesel Our Quality Assurance. The biodiesel production process is controlled on-line with the latest technology available. In parallel, the product is constantly analyzed in a central lab with the most recent technological analytical equipment. Legal Notices | Links | © Copyright 2008, Sovena , S.A. All rights reserved.