Ente Nazionale Idrocarburi (ENI) S.p.A.

La Via del Petrolio is a three-part documentary Bernardo Bertolucci made for the Italian oil giant ENI that aired in 1967. The film was made following Bertolucci’s breakthrough second feature Before the Revolution, and the director has said that it’s a documentary made by a man who is desperate to direct another feature. The film was presented in three parts: "The Origins", "At Sea" and "In the Heart of Europe".

A documentary about Italy's underground oil and metan deposits, sponsored by Italian state-owned oil company, ENI. Pictures of the state-of-the-art oil infrastructure are mixed with others of the traditional way of living of poorer Italian regions.