08:32Business DailyWhy is olive oil so expensive?BBC World Service Duration: 18 minutes Wed 29th May 2024, 08:32 on BBC World Service Americas and the CaribbeanAvailable for over a yearListen nowHow a widely-used oil in cooking became 'liquid gold' - with prices to match. Show more GenresFactualMoneyFormatsBulletinsBrandBusiness Daily Source: BBC Online