Dinoco sponsors the Piston Cup in Pixar’s Cars.
Dinoco is a fictional fuel company that serves as one of the film’s most prominent racing brands. Its blue color scheme and dinosaur logo appear on race-related locations and vehicles, making the company instantly recognizable throughout the story.
Lightning McQueen dreams of replacing the retiring Dinoco-sponsored champion, The King, as the company’s racing representative. Rust-eze is a different fictional brand: it sponsors McQueen at the beginning of the film and sells a rusty-car treatment. This distinction is a common source of confusion because both brands are closely tied to the Piston Cup storyline.