Provided herein are biodiesel fuel mixtures having improved properties for reducing NOx emissions as well as total particular matter emissions, CO emissions, and total hydrocarbon emissions.

Provided herein are biodiesel fuel mixtures having improved properties for reducing NOx emissions as well as total particulate matter emissions, CO emissions, and total hydrocarbon emissions.

The present disclosure provides compositions and methods of use of cashew nut shell liquid (CNSL) and its derivatives as one of the components for decreasing the viscosity of heavy oils, extra heavy oils, high asphaltene natural bitumen, and tar sands (i.e., heavy oils). The decrease in viscosity of heavy oils increases the ability of the heavy oil mixture to be piped, transported, stored and used. The present disclosure provides compositions containing at least one of anacardic acid, cardanol and cardol, and at least one of a surfactant, a co-solvent, and water. The present disclosure provides compositions that are useful as viscosity reducing agents, heavy oil upgrading agents, wellbore cleaning agents, enhanced oil recovery agents, and cleaning agents for asphaltene-containing materials. Biofuel compositions are also provided by the present disclosure.

An additive composition comprises a polymer (A) and a condensation product (B) wherein Polymer (A) comprises the following monomer components: (i) one or more compounds of formula (I) (ii) one or more compounds of formula (II); and (iii) one or more compounds of formula (III); wherein condensation product (B) comprises the product formed by the reaction of an aliphatic aldehyde or ketone, or a reactive equivalent, with a substituted phenol or mixture of substituted phenols; The weight:weight ratio of the polymer (A) to the condensation product (B) is from 1:20 to 20:1.

A lubricant composition adapted for a two stroke cycle engine comprises 5 wt. % to 35 wt. % of an oil of lubricating viscosity, greater than 50 wt. % to 90 wt. % of a hydrocarbon solvent and at least one additive selected from (i) a dispersant and (ii) a friction modifier.

Provided herein are biodiesel fuel mixtures having improved properties for reducing NOx emissions as well as total particular matter emissions, CO emissions, and total hydrocarbon emissions.

An additive composition improves the stability and the engine performances of gas oils, including gas oils of the non-road type in compliance with the decree of 10 Dec. 2010. The additive composition includes: at least one metal deactivator or chelating agent, at least one antioxidant of the hindered phenol type (alkylphenol), at least one dispersant and/or detergent, and at least one metal passivator, wherein the composition includes improved properties, in particular relative to the oxidation resistance, storage stability, thermal stability, reduction in fouling of the injectors, reduction in loss of power, reduction in the tendency of filters to clog.