Range:
Subjects: Algeria; Electric automobiles; Petroleum products; Transport
Subjects: Algeria; Economic equilibrium; Petroleum products; Supply and demand
Subjects: Filling stations; Liquid chromatography; Petroleum products; Polycyclic aromatic hydrocarbons
Subjects: Agriculture; Basra; Deficit irrigation; Irrigation; Twenty-first century
Subjects: Heat treatment; Petroleum products; Photocatalysis; Waste water
Subjects: Dangerous materials; Petroleum products; Risk
Subjects: Environmental problems; Groundwater; Petroleum products; Sandy soils; Soil pollution
Subjects: Petroleum products; Toxicology
Subjects: Iraq; Petroleum products; Structural geology
Subjects: Libya; Statistics; Petroleum products; Prices
Subjects: Libya; Statistics; Petroleum products
Subjects: Libya; Statistics; Corporations; Petroleum; Petroleum products
Subjects: Financial markets; Petroleum products; Prices; Stocks
Subjects: Sudan; Petroleum products; Prices
Subjects: Foreign exchange; Exchange rates; Petroleum products; Prices
Subjects: Corporations; Industrial applications; Petroleum; Petroleum products
Subjects: Analytical chemistry; Industrial chemistry; Petroleum products; Technology
Subjects: Egypt; Statistics; Economic aspects; Natural gas; Petroleum products
Subjects: Egypt; Statistics; Natural gas; Petroleum products
Subjects: Algeria; Petroleum products; Competition; Economic aspects