The present disclosure provides fuel additives including Mannich detergent additive(s) and succinimide detergent additive(s) effective to improve engine performance in both port fuel injected and gasoline direct injection engines.

Disclosed herein are methods and compositions for producing reduced carbon footprint steel compositions comprising providing a molten steel having a carbon content; and introducing a carbon containing agent into the molten steel; wherein at least a portion of the carbon containing agent comprises a reclaimed olefin coke.

Additive composition mixtures and methods for synergistically maintaining low surface voltages of distillate fuels that include a synergistic conductivity improver additive composition for a distillate fuel. The additive composition includes: A) a mixture of (i) alkenyl polysulfone polymer, (ii) C16-C24 substituted maleic/polyamine copolymer, (iii) sulfonic acid, and (iv) aromatic solvent; and B) a mixture of (i) alkenyl polysulfone polymer, (v) polymeric reaction product of a C8-C18 aliphatic amine or diamine with epichlorohydrin; (iii) sulfonic acid, (iv) aromatic solvent; and optionally (vi) a quaternary ammonium compound. The additive composition contains from 30 to 60 wt. % component (A) and from 30 to 60 wt. % component (B) based on a total weight of the additive composition.

A hybrid fuel and methods of making the same. A process for making a hybrid fuel includes the steps of combining a biofuel emulsion blend and a liquid fuel product to form a hybrid fuel. Optionally, the hybrid fuel can be combined with water in a water-in-oil process and include oxygenate additives and additive packages. A hybrid fuel includes blends of biofuel emulsions and liquid fuel products, including light gas diesel. Optionally, the hybrid fuel can include water, oxygenate additives, and other additive packages.

Certain UV filter compounds improve the combustion properties of diesel fuel compositions, and in particular modify the ignition delay and/or modify the burn period and/or modify the peak pressure and/or increase the cetane number of the liquid fuel composition. A liquid fuel composition is provided containing: (a) a diesel base fuel suitable for use in an internal combustion engine; and (b) in the range of 10 ppmw to 2 wt %, by weight of the liquid fuel composition, of one or more organic UV filter compounds selected from imidazoles, triazines, triazones and triazoles, and mixtures thereof.

A composition of fuel additives includes at least a first additive of a triazole derivative and a second additive of a quaternary ammonium salt. The disclosure also relates to a diesel fuel including such a composition and the use of a fuel for limiting deposits in a diesel engine. In particular, the fuel containing the composition of additives is used in direct-injection diesel engines.

The invention relates to fuel oil compositions comprising an ester of an alkyl neo-monocarboxylic acid having a total number of from 5 to 30 carbon atoms and an aliphatic acyclic (C2 to C18) alkanol having a total number of from 2 to 18 carbon atoms and a total number of from 2 to 8 hydroxyl groups, wherein the aliphatic acyclic (C2 to C18) alkanol includes one or more alkyl chain(s) and each of said one or more alkyl chain(s) may optionally be interrupted by one or more oxygen atom(s), and to associated fuel additive compositions and uses of fuel additives.

A hybrid fuel and methods of making the same. A process for making a hybrid fuel includes the steps of combining a biofuel emulsion blend and a liquid fuel product to form a hybrid fuel. Optionally, the hybrid fuel can be combined with water in a water-in-oil process and include oxygenate additives and additive packages. A hybrid fuel includes blends of biofuel emulsions and liquid fuel products, including light gas diesel. Optionally, the hybrid fuel can include water, oxygenate additives, and other additive packages.

A polymeric composition suitable for lowering the Pour Point of paraffinic crude oils comprising a synergic mixture including at least two ethylene-vinyl acetate copolymers respectively having an average molecular weight Mw lower than 130,000 Dalton (measured via GPC), a content of vinyl acetate monomer ranging from 15 to 50% by weight, with the proviso that the content of vinyl acetate monomer in the respective copolymers differs from one copolymer to another, by over 5%, on a weight basis.

A catalyst for improving emissions and fuel efficiency in combustion chambers may include aluminum chloride, cerium (III) chloride, deionized water, propylene glycol, lithium chloride, chloroplatinic acid, rhodium chloride, perrhenic acid, and a pH adjuster, such as lithium hydroxide or hydrochloric acid reagent. A method of improving emissions and fuel efficiency in combustion chambers while simultaneously enhancing combustion of hydrocarbons may include introducing the catalyst via a vaporous transport into the flame zone of a combustion chamber.