Allinol is the fictional alternative fuel central to the conspiracy in Pixar’s Cars 2.
The World Grand Prix is promoted as a showcase for Allinol, a supposedly clean fuel developed by billionaire Miles Axlerod. The fuel becomes a major plot device when cars using it are remotely targeted by electromagnetic pulses, causing dangerous malfunctions during the races.
Finn McMissile and Holley Shiftwell investigate the attacks after Mater becomes involved in their mission. Their investigation reveals that the conspiracy is designed to discredit Allinol and make petroleum appear indispensable. The story turns a racing event into an espionage thriller built around energy politics and technological sabotage.
Allinol is not the same as Rust-eze or Dinoco. Rust-eze is Lightning McQueen’s sponsor in the first Cars film, while Dinoco is a racing sponsor associated with The King. Allinol is specific to Cars 2 and is presented as an in-universe fuel brand.