Common uses include water, sewage, agriculture, petroleum and petrochemical pumping. Taiwan has significant coal deposits and some insignificant petroleum and natural gas deposits. Kenya currently imports all crude petroleum requirements. It is manufactured from aromatic hydrocarbons from petroleum. Laos is rich in mineral resources and imports petroleum and gas. They are analogous to petrochemicals derived from petroleum. These control vast stores of reservoirs of petroleum and natural gas. It has developed wealth from extensive petroleum and natural gas fields. It is present in deposits of petroleum and natural gas. Louisiana is rich in petroleum and natural gas. Tar can be produced from coal, wood, petroleum, or peat. He became an international expert on national petroleum and natural gas production and conservation. Biodiesel also may reduce health risks associated with petroleum diesel. She has PhDs in petroleum exploration and chemical engineering. It is used for data collection on refining petroleum and its products.