​​​​​​​​​​​​​​Dieselex Gold, a product developed in 1952, contains a combination of cetane improver, detergency, lubricity improver, oxidation and corrosion inhibitors, demulsifiers, stabilizing agents and moisture control chemistry which addresses problems specific to #2 diesel fuel. Variable fuels and HPCR technology require a different chemistry which has been created in the reformulated version of the fuel.