The invention pertains to a novel additive for fuels comprising iso-propanol in an amount of from 60-70 Vol.-%, diesel and gasoline each in an amount of from 10-20 vol.-% and water in an amount of from 1-5 vol.-%. In another aspect the composition comprises Iso-propanol in an amount of from 60-70 vol.-%, lineseed oil in an amount of from 15-25 vol.-%, gasoline fuel in an amount of from 10-20 vol.-%, and water in an amount of from 1-5 vol.-%. The invention further relates to the use of the said additive in reducing carbon monoxide (CO) and unburnt hydrocarbons (HC) levels from emissions of combustion engines.

The present technology is related to amide or ester containing quaternary ammonium salts having a hydrocarbyl substituent of number average molecular weight less 300, and additive packages having such quaternary ammonium salts and improved stability.

Compositions and methods for reducing the formation of hydrates within subsea or over-land pipeline systems. The compositions and methods include the use of organic salt solutions, such as an acetate salt solution, to precondition, treat, and/or dewater the pipeline systems, or employ the use of the organic salt solutions during other pre-commissioning operations. An effective concentration of an organic salt solution acts to reduce hydrates and/or inhibit hydrate formation within the pipeline systems.

A gasoline additive composition includes an oxygenate gasoline additive; and an optical brightener. The gasoline additive composition can be used in a gasoline blend.

A hydrocarbon fuel additive being a solution of the active complex in an organic solvent is provided, wherein the active complex consists of: chiral ester C4-C9 and monocarboxylic acid C1-C6. The achievable technical result is the decrease in the hydrocarbon fuel consumption in gasoline and diesel internal combustion engines, boiler units from 4.7 to 9.9%, and, accordingly, the increase in the efficiency of these devices, as well as the extension of the range of tools to reduce the hydrocarbon fuel consumption and improve the efficiency of internal combustion engines and boiler units.

The use of a three-way combination of additives comprising (B)(i) a metal (C.sub.10 to C.sub.40)hydrocarbyl-substituted hydroxybenzoate detergent; (B)(ii) a poly(C.sub.2 to C.sub.6)alkenyl-substituted anhydride or poly(C.sub.2 to C.sub.6)alkenyl-substituted acid; and (B)(iii) an aliphatic hydrocarbyl acid amide, or an aliphatic hydrocarbyl acid imide, or a combination thereof, to inhibit asphaltene precipitation from crude oil.

Problem A detergent friction modifying agent having both a detergent performance that ameliorates and prevents degradation over time that is caused by deposits in the engine, and a friction reducing effect that lowers frictional resistance in the engine; a fuel additive that improves drivability with a good balance over the entire range of engine speeds, and provides engine characteristics such that, over the entire range of driving speeds, the engine-braking characteristics are such that the feeling of free running will be strongly produced, such that a fuel consumption improvement effect is produced in actual vehicles that is greater than the values produced on the test bench, and which also has storage stability; and a fuel composition containing the same. Solution The present invention is characterized by containing a polyetheramine carboxylic acid salt; the fuel additive of the present invention is added to fuel at 0.5 wt % or less.

Treating pyrolysis oil to yield a liquid fuel or liquid fuel precursor includes combining the pyrolysis oil with one or more co-solvents to yield a mixture, and hydrotreating the mixture to yield the liquid fuel or liquid fuel precursor. The co-solvent can include one or more alcohols. The liquid fuel can be a transportation fuel, such as gasoline, diesel fuel, jet fuel, or marine fuel. The liquid fuel precursor can be a transportation fuel precursor, such as a gasoline precursor, a diesel fuel precursor, a jet fuel precursor, or a marine fuel precursor.

The invention relates to a lubricity additive for fuel, particularly for diesel fuel, directly obtained from the acidification of a soapstock produced by a method for refining at least one vegetable and/or animal oil. The lubricity additive according to the invention is more specifically used for fuels that have a low sulfur content, for example, lower than 500 ppm (by weight).

The present invention relates to a hydrogen sulfide scavenging additive composition, wherein the composition comprises: a. an additive 1 comprising at least one compound selected from the group comprising zinc compound, zinc soap, and zinc salt of organic acid; and b. at least one activator comprising one or more hydroxyl alkylated amine.

In one embodiment, the composition further comprises an additive 2 comprising polyphosphoric acid (PPA).

In one embodiment, the present invention also relates to a method of using the hydrogen sulfide scavenging additive compositions of the present invention for scavenging the hydrogen sulfide in the medium.

In one embodiment, the present invention also relates to a method of scavenging hydrogen sulphide in the medium by employing the hydrogen sulfide scavenging additive compositions of the present invention.

In one embodiment, the present invention also relates to a medium comprising hydrogen sulfide (H.sub.2S) scavenging additive compositions of the present invention.