If I recall correctly Spain is the biggest exporter of olive oil, with Italy and Tunisia somewhere behind (and in fact most of the Italian exports are just Span

If I recall correctly Spain is the biggest exporter of olive oil, with Italy and Tunisia somewhere behind (and in fact most of the Italian exports are just Spanish oil, Italian branded). It makes way less economic sense to adulterate the olive oil in Spain when it is not a gourmet import, but a staple daily produce. On the pricier premium virgen extra oil there has been some fraud, nonetheless (in Spanish: http://m.europapress.es/sociedad/consumo-00648/noticia-ocu-acusa-nueve-marcas-aceite-oliva-enganar-consumidor-20121025122232.html http://m.europapress.es/sociedad/consumo-00648/noticia-ocu-a...).