https://sede.agenciatributaria.gob.es/Sede/en_gb/normativa-criterios-interpretativos/normativa-aduanera/notas-informativas/catalogadas-bloques-tematicos/impuestos-especiales-medioambientales.html
Tax Agency: Classified by thematic blocks - Special and Environmental Taxes
thematic blocksenvironmental taxesagencyclassifiedspecial