ELECTRIC VEHICLE GREASE

1 .- 20 . (canceled)

21 . A lubricating grease for electric vehicle applications comprising:

a thickener in a range of 6% by weight (wt. %) to 12 wt. %;

a lubricating oil in a range of 57 wt. % to 92.98 wt. %;

a surface-active ester in a range of 1 wt. % to 10 wt. %, the surface-active ester comprising a synthetic copolymer of alpha-olefins and dicarboxylic acids esterified with short to medium chain alcohols comprising about 3 to 12 carbon atoms, wherein the surface-active ester is an oil with a carbon backbone with two distinct side chains, the first side chain is hydrophobic, and the second side chain is polar; and

additives comprising:

a friction reducer and modifier in a range of 0.1 wt. % to 5 wt. %;

an anti-wear agent in a range of 0.1 wt. % to 5 wt. %; and

a balance of extreme pressure agent, an oxidation inhibitor, and a corrosion inhibitor, wherein the lubricating grease has a bulk KV 40 of about or less than 10 cSt and a bulk KV 100 of about or less than 2 cSt.

22 . The lubricating grease of claim 21 , wherein the thickener comprises lithium or lithium complex thickener.

23 . The lubricating grease of claim 21 , wherein the thickener comprises polyurea thickener.

24 . The lubricating grease of claim 21 , wherein the lubricating oil is selected from API (American Petroleum Institute) groups I, II, and V oils.

25 . The lubricating grease of claim 21 , wherein the lubricating oil is selected from API groups III and/or IV oils.

26 . The lubricating grease of claim 21 , wherein the lubricating oil comprises an oil blend of ISO VG 10, ISO VG 68, ISO VG 150, or a combination thereof.

27 . The lubricating grease of claim 21 , wherein the surface-active ester has a range of viscosities of KV 40=75 cSt to 800 cSt and KV 100=10 cSt to 75 cSt.

28 . The lubricating grease of claim 21 , wherein the surface-active ester has a range of viscosities of KV 40=200 cSt to 400 cSt and KV 100=15 cSt to 40 cSt.

29 . The lubricating grease of claim 21 is configured to contribute to up to 10% power savings per lubricated component.

30 . The lubricating grease of claim 21 is a National Lubricating Grease Institute (NLGI) #2 consistency grade.

31 . The lubricating grease of claim 21 , wherein the surface-active ester comprises an ester blend of KV 40=100 cSt, an ester blend of KV 40=200 cSt, an ester blend of KV 40=300 cSt, or a combination thereof.

32 . The lubricating grease of claim 21 , wherein the

the thickener comprises a lithium or lithium complex thickener 10 wt. %;

the lubricating oil comprises ISO VG 10, API groups I, II, and/or V mineral oil blend 74.5 wt. %;

the surface-active ester comprises a 100 cSt ester blend 8 wt. %;

the friction reducer and modifier comprise antimony dithocarbamate 2 wt. % and organic long chain ester 1 wt. %;

the anti-wear agent comprises dialkyldithiocarbamate 1.5 wt. %;

the extreme pressure agent comprises dithiophosphate 1 wt. %;

the oxidation inhibitor comprises aryl amine 1 wt. %; and

the corrosion inhibitor comprises 400 TBN calcium sulfonate 1 wt. %.

33 . The lubricating grease of claim 21 , wherein the

the thickener comprises a lithium or lithium complex thickener 10 wt. %;

the lubricating oil comprises ISO VG 10, API groups III and/or IV synthetic oil blend 74.5 wt. %;

the surface-active ester comprises a 100 cSt ester blend 8 wt. %;

the friction reducer and modifier comprise antimony dithocarbamate 2 wt. % and organic long chain ester 1 wt. %;

the anti-wear agent comprises dialkyldithiocarbamate 1.5 wt. %;

the extreme pressure agent comprises dithiophosphate 1 wt. %;

the oxidation inhibitor comprises aryl amine 1 wt. %; and

the corrosion inhibitor comprises 400 TBN calcium sulfonate 1 wt. %.

34 . The lubricating grease of claim 21 , wherein the

the thickener comprises a polyurea thickener 10 wt. %;

the lubricating oil comprises ISO VG 10, API groups I, II, and/or V mineral oil blend 74.5 wt. %;

the surface-active ester comprises a 100 cSt ester blend 8 wt. %;

the friction reducer and modifier comprise antimony dithocarbamate 2 wt. % and organic long chain ester 1 wt. %;

the anti-wear agent comprises dialkyldithiocarbamate 1.5 wt. %;

the extreme pressure agent comprises dithiophosphate 1 wt. %;

the oxidation inhibitor comprises aryl amine 1 wt. %; and

the corrosion inhibitor comprises 400 TBN calcium sulfonate 1 wt. %.

35 . The lubricating grease of claim 21 , wherein the

the thickener comprises a polyurea thickener 10 wt. %;

the lubricating oil comprises ISO VG 10, API groups III and/or IV synthetic oil blend 74.5 wt. %;

the surface-active ester comprises a 100 cSt ester blend 8 wt. %;

the friction reducer and modifier comprise antimony dithocarbamate 2 wt. % and organic long chain ester 1 wt. %;

the anti-wear agent comprises dialkyldithiocarbamate 1.5 wt. %;

the extreme pressure agent comprises dithiophosphate 1 wt. %;

the oxidation inhibitor comprises aryl amine 1 wt. %; and

the corrosion inhibitor comprises 400 TBN calcium sulfonate 1 wt. %.

36 . A method of lubricating components in an electric vehicle, comprising

applying a lubricating grease in the components in the electric vehicle, wherein the lubricating grease comprises:

a thickener in a range of 6% by weight (wt. %) to 12 wt. %;

a lubricating oil in a range of 57 wt. % to 92.98 wt. %;

a surface-active ester in a range of 1 wt. % to 10 wt. %, the surface-active ester comprising a synthetic copolymer of alpha-olefins and dicarboxylic acids esterified with short to medium chain alcohols comprising about 3 to 12 carbon atoms, wherein the surface-active ester is an oil with a carbon backbone with two distinct side chains, the first side chain is hydrophobic, and the second side chain is polar; and

additives comprising:

a friction reducer and modifier in a range of 0.1 wt. % to 5 wt. %;

an anti-wear agent in a range of 0.1 wt. % to 5 wt. %; and

a balance of extreme pressure agent, an oxidation inhibitor, and a corrosion inhibitor,

wherein the lubricating grease has a bulk KV 40 of about or less than 10 cSt and a bulk KV 100 of about or less than 2 cSt.

37 . The method of claim 36 , wherein the components comprise wheel bearings, constant velocity joints, universal joints, electric motor bearings, or any combinations thereof.