Crude oil may be treated with an additive made with Tire Pyrolysis Oil and naphtha, condensate, or both naphtha and condensate. Also disclosed herein are compositions including Tire Pyrolysis Oil wherein the composition is selected from the group consisting of: pipeline cleaner, tank cleaner, paraffin inhibitor or modifier, asphaltene inhibitor or modifier, scale inhibitor, corrosion inhibitor, stimulation fluid, crude oil density reducer, and crude oil viscosity reducer. The Tire Pyrolysis Oil is a green product recovered from recycling tires.

An additive composition for a marine fuel or a heating oil comprising a stabilized colloidal dispersion of catalytic metal particles, a neutral or overbased alkaline earth metal detergent and a carrier fluid miscible with a marine fuel oil, a heavy fuel oil, a marine distillate fuel, and/or a residual fuel oil. Also provided are marine fuel and/or heating oil compositions having the additive composition described above and associated methods and uses.

An additive composition for a marine fuel or a heating oil comprising a stabilized colloidal dispersion of catalytic metal particles, a neutral or overbased alkaline earth metal detergent and a carrier fluid miscible with a marine fuel oil, a heavy fuel oil, a marine distillate fuel, and/or a residual fuel oil. Also provided are marine fuel and/or heating oil compositions having the additive composition described above and associated methods and uses.

A quaternary ammonium compound of formula (I): (I) wherein R.sup.0, R.sup.1, R.sup.2 and R.sup.3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R.sup.4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is 0 or a positive integer, provided that n is not 0 when R5 is hydrogen. ##STR00001##

A quaternary ammonium compound of formula (I): (I) wherein R.sup.0, R.sup.1, R.sup.2 and R.sup.3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R.sup.4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is 0 or a positive integer, provided that n is not 0 when R5 is hydrogen. ##STR00001##

The present invention relates to performance enhancing additive composition comprising a mixture or a blend of (i) an acid amide; and (ii) oxide treated derivative of amine in one embodiment, and performance enhancing additive composition comprising a mixture or a blend of (i) an acid amide; and (ii) oxide treated derivative of amine, and further comprising a detergent in another embodiment, and to a fuel compositions thereof in still another embodiment, and to method of use thereof in yet another embodiment, and to a method of improving performance of a fuel and an engine in yet another embodiment.

The present invention relates to performance enhancing additive composition comprising a mixture or a blend of (i) an acid amide; and (ii) oxide treated derivative of amine in one embodiment, and performance enhancing additive composition comprising a mixture or a blend of (i) an acid amide; and (ii) oxide treated derivative of amine, and further comprising a detergent in another embodiment, and to a fuel compositions thereof in still another embodiment, and to method of use thereof in yet another embodiment, and to a method of improving performance of a fuel and an engine in yet another embodiment.

A fuel additive composition, including: (a) one or more copolymer(s) including: at least one unit of the following formula (I), where u=0 or 1, E=—O— or —N(Z)—, or —O—CO—, or —CO—O— or —NH—CO— or —CO—NH—, where Z represents H or a C1-C6 alkyl group, G represents a group selected between a C1-C34 alkyl group, aromatic ring, aralkyl including at least one aromatic ring and at least one C1-C34 alkyl group, and at least one unit of the following formula (II), where R1″ is selected between a hydrogen atom and a methyl group, Q is selected between an oxygen atom and a group —NR′—, where R′ is selected between a hydrogen atom and C1-C12 hydrocarbon chains, R includes a C1-C34 hydrocarbon chain substituted with at least one quaternary ammonium, (b) one or more amines substituted with a polyalkenyl group, and (c) at least one carrier oil.

A fuel additive composition, including: (a) one or more copolymer(s) including: at least one unit of the following formula (I), where u=0 or 1, E=—O— or —N(Z)—, or —O—CO—, or —CO—O— or —NH—CO— or —CO—NH—, where Z represents H or a C1-C6 alkyl group, G represents a group selected between a C1-C34 alkyl group, aromatic ring, aralkyl including at least one aromatic ring and at least one C1-C34 alkyl group, and at least one unit of the following formula (II), where R1″ is selected between a hydrogen atom and a methyl group, Q is selected between an oxygen atom and a group —NR′—, where R′ is selected between a hydrogen atom and C1-C12 hydrocarbon chains, R includes a C1-C34 hydrocarbon chain substituted with at least one quaternary ammonium, (b) one or more amines substituted with a polyalkenyl group, and (c) at least one carrier oil.

The composition of the present invention related to a quaternary ammonium salt detergent and the use of such quaternary ammonium salt detergents in a fuel composition to reduce diesel injector deposits and remove or clean up existing deposits on the diesel injectors.