Liquid fuel compositions

• Main Authors: BREWER, MARK LAWRENCE, SMITH, SUSAN JANE
• Format: Patent
• Language: English
• Published: 28.11.2013
• Subjects: ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; CHEMISTRY; FIRELIGHTERS; FUELS; FUELS NOT OTHERWISE PROVIDED FOR; LIQUEFIED PETROLEUM GAS; LUBRICANTS; METALLURGY; NATURAL GAS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K; TECHNICAL GASES CONTAINING CARBON MONOXIDE

A liquid fuel composition comprising: (a) a base fuel suitable for use in an internal combustion engine; (b) a first fuel additive selected from one or more viscosity control agents having: (i) a kinematic viscosity at 100°C of 27 cSt or less; and (ii) a NOACK volatility at 250°C of 100 %wt or less; and (c) a second fuel additive selected from one or more friction modifiers. The present invention further provides a method of improving the fuel economy performance of an internal combustion engine, said method comprising fuelling an internal combustion engine containing an engine lubricant with a liquid fuel composition comprising: (a) a base fuel suitable for use in an internal combustion engine; (b) a first fuel additive selected from one or more viscosity control agents having: (i) a kinematic viscosity at 100°C of 27 cSt or less; and (ii) a NOACK volatility at 250°C of 100 %wt or less; and (c) a second fuel additive selected from one or more friction modifiers.