TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The additive component in composition (C1) comprises (wt.% based on the total weight of the lubricant composition): a detergent/inhibitor package (0.5 - 25); the at least one polymer (P1). The additive component in (C1) is viscosity index improvers, dispersants, friction modifiers, corrosion inhibitors, rust inhibitors, antioxidants, detergent, seal swell agents, extreme pressure additives, anti-wear additives, pour point depressants, deodorizers, defoamer, demulsifiers, dyes, thickening agents, and/or fluorescent coloring agents. The additive component in (C1) comprises a friction modifier selected from aliphatic fatty amines, ether amines, alkoxylated aliphatic fatty amines, alkoxylated ether amines, oil-soluble aliphatic carboxylic acids, polyol esters, fatty acid amides, imidazoline, tertiary amines, hydrocarbyl succinimide reacted with ammonia or a primary amine, and organic molybdenum compounds; an antioxidant selected from bis-alkylated diphenyl amines, phenyl alpha or beta naphthyl amines, sterically hindered phenols, bisphenol, cinnamic acid derivatives, and sulfurized olefins; an antiwear agent selected from phosphate esters, phosphite esters, dialkyl-dithiophosphoric acid esters and dithiocarbamic acid esters or their salts; an antifoam agent selected from silicones and polyacrylates; a seal swell agent selected from an acrylate, an alkylated sulfone, and a silicon-containing compound; a detergent selected from neutral and overbased sodium sulfonates, sodium carboxylates, sodium salicylate, sodium phenate, sulfurized sodium phenate, lithium sulfonates, lithium carboxylates, lithium salicylate, lithium phenate, sulfurized lithium phenate, magnesium sulfonates, magnesium carboxylates, magnesium salicylate, magnesium phenate, sulfurized magnesium phenate, potassium sulfonates, potassium carboxylates, potassium salicylate, potassium phenate, sulfurized potassium phenate, zinc sulfonates, zinc carboxylates, zinc salicylate, zinc phenate, and sulfurized zinc phenate; and a dispersant derived from a hydrocarbyl succinic acid or anhydride having a number average molecular weight of 200 - 2100 as determined by gel permeation chromatography, and ammonia or primary amine. The dispersant comprises a post-treated succinimide dispersant. The post-treated succinimide dispersant is post treated with a member selected from phosphorus-based acids, boron-based acids, carboxylic acids, and/or alkylphenol/aldehyde mixtures. The second base oil comprises liquid base oil selected from natural oil, a mixture of natural oils, synthetic oil, a mixture of synthetic oils, or a mixture of natural and synthetic oils. The additive component in the finished lubricant comprises a pour point depressant, a viscosity index improver, a foam inhibitor, and optionally a thickening agent. The additive component in the automatic transmission fluid comprises a viscosity index improver, an antiwear additive, a metal deactivator, or a seal swell agent. The detergent/inhibitor package comprises a component selected from a viscosity index improver, an anti-foam agent, a pour point depressant, a seal swell agent, a friction modifier, a dispersant, a detergent, an antioxidant, an antiwear agent, and/or corrosion inhibitor. Preferred Composition: The lubricant composition (C1) and the grease composition comprises the solubilizing agent in an amount of 5 - 15 wt.%. The grease composition further comprises detergent/inhibitor package (0.5 - 25 wt.% based on the total weight of the grease composition); the additive; and the at least one polymer (P1). The metal working fluid further comprises a solubilizing agent (1 - greater than or equal to30, preferably 5 - 15 wt.%) selected from adipate ester, a polyol ester, alkylated naphthalene, an alkylated sulfone, naphthenic base oil, aromatic base oil, and/or alkylated benzene. The lubricant composition used in lubricating power transmission, gear device and motor vehicle method further comprises detergent/inhibitor package (0.5 - 25 wt.% based on the total weight of the lubricant composition); and the solubilizing agent (1 - greater than or equal to30, preferably 5 - 15 wt.%).    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The olefin polymer comprises polyisobutylene having a weight average molecular weight of 700 - 2500. The dispersant is derived from poly-isobutenyl succinic anhydride (PIBSA) and a polyalkylene polyamine having a ratio of PIBSA to amine of 1:1 - 3:1. EXAMPLE - No suitable example is given.