Synhelion An aerial view of the DAWN plant with its array of mirrors which direct solar energy onto its tower to produce process heat THE WORLD’S first industrial plant using solar heat to make fuels has been opened in Germany. Using a vast array of mirrors that focus the sun’s heat onto a tower, the technology’s developer Synhelion plans to use its process to produce greener fuel for planes, ships and cars, and even low-carbon cement. Known as DAWN, the plant is set to begin operations later th...