Greenhouse horticulture uses extra CO2 to make crops grow faster and healthier. To this end, horticulturalists often produce their own CO2 by burning natural gas. This is expensive and environmentally unfriendly; after all, CO2 is partly responsible for the greenhouse effect. Dependence on natural gas also hampers the transition to sustainable energy. In industry, pure CO2 is sometimes released as a residual product. OCAP makes this available for greenhouse horticulture.
OCAP-CO2 is released during the production of hydrogen by Shell and bioethanol by Abengoa. OCAP supplies approximately 400,000 tonnes of CO2 per year. Greenhouse horticulture saves around 115 million m3 of natural gas, which reduces total CO2 emissions by 205,000 tonnes. OCAP is part of The Linde Group.