Abstract: Liquid fuels having anticorrosion properties for use in internal combustion engines comprising (1) a major fraction of a monohydroxy alkanol having from 1 to about 5 carbon atoms, and (2) a corrosion inhibiting amount of a mixture of (a) from about 5 to 95 parts of at least one polymerized unsaturated aliphatic monocarboxylic acid having from about 16 to 18 carbon atoms per molecule, and (b) from about 95 to 5 parts of an aliphatic dicarboxylic acid having from 2 to about 10 carbon atoms.

Abstract: Liquid fuels having anti-corrosive properties for use in internal combustion engines comprising (1) a major fraction of a monohydroxy alkanol having from 1 to about 5 carbon atoms, and (2) a corrosion inhibiting amount of an aliphatic dicarboxylic acid having from 2 to about 10 carbon atoms.

Abstract: Liquid fuels for use in spark ignited internal combustion engines comprising (i) a major fraction of hydrocarbons boiling in the gasoline boiling range, (ii) a minor amount of ethanol and (iii) a corrosion inhibiting amount of a mixture of (a) from about 5 to 95 parts of at least one polymerized unsaturated aliphatic monocarboxylic acid having about 16 to 18 carbon atoms per molecule, and (b) from about 95 to about 5 parts of an aliphatic dicarboxylic acid having from 2 to about 10 carbon atoms.

Abstract: Liquid fuels for use in internal combustion engines comprising (i) a major fraction of hydrocarbons boiling in the gasoline boiling range, (ii) a minor amount of ethanol and (iii) a detergent amount of(I) from about 20 to about 40 weight percent of the reaction product of:(A) one mole part of an alkylphenol having the formula: ##STR1## wherein n is an integer from 1 to 2, and R.sub.1 is an aliphatic hydrocarbon radical having an average molecular weight of from about 400 to 1500;(B) from 1-5 mole parts of an aldehyde having the formula: ##STR2## wherein R.sub.2 is selected from hydrogen and alkyl radicals containing 1-6 carbon atoms; and(C) from 0.5-5 mole parts of an amine having at least one active hydrogen atom bonded to an amino nitrogen atom, and(II) from about 3.0 to about 6.0 weight percent of a demulsifying agent containing:(A) at least one oil-soluble polyether characterized by the presence within its structure of a group of the formula:(--O-A--).sub.

Abstract: An anti-wear compression ignition fuel composition for use in diesel engines comprising (1) from about 70 percent by weight to about 98.45 percent by weight of a monohydroxy alkanol having from 1-5 carbon atoms, (2) from about 1 percent by weight to about 25 percent by weight of a fuel oil boiling above the gasoline boiling range, and (3) a wear inhibiting amount of a dimerized unsaturated fatty acid. Optionally, said fuel composition may also contain an ignition accelerator such as an organic nitrate.

Abstract: An anti-wear compression ignition fuel for use in diesel engines comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, (2) an ignition accelerator and (3) a wear inhibiting amount of a dimerized unsaturated fatty acid.

Abstract: .beta.-(Halpropyl)-thionophosphates are stabilized by styrene oxides. The styrene oxide stabilized .beta.-(halopropyl)-thionophosphates are added to hydraulic fluid to enhance antiwear and extreme pressure properties of the hydraulic fluid.