http://newsriceedu/wp-content/uploads/2012/11/solar-2-webjpg. buildings 07 00046 g002. what is renewable energy and why use it?. http://newsriceedu/wp-content/uploads/2012/11/solar-3-webjpg. use fossil fuels \u2013 not if we can help it says saudi arabia. andasol 3 is a solar thermal power plant in andalucia (spain). electrochemical water splitting: a new dawn for the hydrogen economy. 20 lpm hho tractor trailer – hho, hydrogen on demand, fuel cell, big. rotating disk electrode setup. research on electrolysis at the dlr. image 1 of 4 solar thermal collectors .