SOHO, the Solar & Heliospheric Observatory, is a project of international collaboration between ESA and NASA to study the Sun from its deep core to the outer corona and the solar wind. More info at: sohowww.nascom.nasa.gov/

RD 1578/2007 of 25 of mayo regulates the production of electrical energy in special regime

www.energias-renovables.com, the media magazine of clean energies

Innovating systems of solar refrigeration

The urban solar motorbike arrive!

www.portalsolar.com and www.solarweb.net, solar energy websites in Spain

www.cne.es, National Commission of Energy. Regulating organization of the power systems of the Hydrocarbon Sector