Repsol SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Repsol-ES0173516115" target="_blank">BME:REP</a>) will invest more than EUR 800 million (USD 835.2m) to build a plant in Catalonia capable of converting municipal solid waste into renewable methanol and circular products, the Spanish multi-energy company said on Tuesday.