Passage: Although manganese mining halted in 1978, there was an agreement in 2006 to export manganese already mined but not yet exported. The country has no known petroleum deposits. A small light-industry sector caters to the local market. Tax revenues come mainly from import duties and a 15% VAT on goods and services. Economic development is hindered by dependence on relatively few commodity exports, vulnerability to natural disasters, and long distances between constituent islands and from main markets.

Question: What product is the country lacking?
petroleum