Now Synhelion and CEMEX engineers have built a pilot plant, on the Very High Concentration Solar Tower of IMDEA Energy in Spain to produce zero CO2 cement, by substituting direct solar heat for fossil fired heat in one of the world's most carbon-intensive industries. . Close-up of Synhelion's receiver delivering the high-temperature solar process heat beyond 1,500°C. Monterrey, Mexico and Zurich, Switzerland. An early 2022 energy lab demonstration in Spain saw researchers leverage Synhelion devices and fuel conversion methods to successfully produce clinker solely from solar power. . Cemex, a global construction materials company, and Synhelion, a leader in carbon-neutral solar fuels, have announced a groundbreaking advancement in their collaborative pursuit of solar-powered cement production. As global carbon emissions continue to be a pressing concern, the. .