King oil -- Ancient oil -- Oil for light -- Dawn of the oil age -- The oil bonanza -- What is oil? -- Where oil comes from -- Natural gas -- Coal and peat -- Oil traps -- Solid oil -- How oil is found -- Getting the oil out -- Offshore oil rigs -- Piped oil -- Oil on the ocean -- Refining oil -- Energy and transportation -- Materials from oil -- Plastics and polymers -- Big oil -- The struggle for oil -- Dirty oil -- Saving oil -- Oil substitutes -- Wind power -- Solar energy -- Water power -- Nuclear power -- Production and consumption -- Timeline -- Find out more

1. Petroleum