Energy and development without increasing the greenhouse effect: advocacy in favor of the “pure vegetable oil” energy sector. By Yves LUBRANIÉCKI. August 2009 version. Find out more: - Detailed presentation of the summary document on fuel oils - Visit our forum biofuels - Download the old version (2005) of the document Download the file (a subscription to the Newsletter […]

Control of the excitation power of a wind turbine Laboratory of Renewable Materials and Energies, Abou Bakr University BELKAID. Tlemcen, Algeria. Keywords - Control, automation, electricity, wind energy, wind, hybrid system, speed, networks. Summary - It is (increasingly) more interesting to use renewable energy sources such as wind, oceans and […]

Fossil Fuels: Alternatives and Illusions by M.Kieffer 38-page illustrated educationalpdf on energy and transport. Orders of magnitude with fun and easily understandable examples. Find out more: - Debate with the author on the car of the future - forum oil, gas and fossil fuels Download the file (an entry to the […]

Report on the Xynthia storm: feedback, evaluation and proposals for action. 191-page government document on Storm Xynthia. Read more: Storm Xynthia, 10 years after Lothar? Download the file (Newsletter subscription may be required): Storm Xynthia: situation, assessment and government proposals

Presentation of the Opale system for cleaning and cooling photovoltaic solar panels The Sycomoreen Photovoltaic Barn is equipped with the OPALE system, which is fully automated. OPALE is the alliance of Silicon and Water. Details will be given later. This system makes it possible to improve the productivity (by improving the average yield) of integrated solar systems (or not) […]

Performance report of a so-called PVT hybrid solar collector comprising both photovoltaic solar cells producing electricity and thermal collectors for hot water Tests and document carried out by the Institute for Solar Energy Research GmbH (Germany ). Document in English. Find out more: - PVT solar air hybrid solar collectors - […]

Photovoltaic energy in France: energy, risks, environment, technologies and investment. September version 2010. Comprehensive summary document on solar photovoltaics (in France) produced by one of the members of forums. Update: September 2010. I. PHOTOVOLTAICS AND ELECTRICAL ENERGY I.1. WHAT DO KW AND KWH MEAN? I.2. WHAT A KWH REPRESENTS VERY CONCRETELY […]

Presentation of the concept of the recycled and ecological house "Earthship" .pdf of 24 pages. Introduction An earthship is: A house built in an ecological way for a long existence and which is totally independent of an external delivery for its energy and water needs. Completely self-sufficient, therefore. The concept of an earthship is designed from […]