Official statistics estimate that almost two billion people have no direct access to electrical networks, 500,000 of them living in European Union and...

This paper analyses the interannual variability of solar radiation and sunshine hours for a large tropical region (Brazil), located between latitude 0...

Biomass is a key renewable energy source expected to play an important role in US electricity production under stricter emission regulations and renew...

In the year 1998, the Arab League Educational, Cultural and Scientific Organization (ALESCO), Directorate of Science and Scientific Research, Tunis, h...

This study presents an experimental investigation of two different types of solar systems used for heating agricultural greenhouses. The first system...