| abstract |
(57) [Summary] [Structure] 2-hydroxy-2-methyl aliphatic carboxylic acid ester, glycol alkyl ether, glycol alkyl ether ester, glycol diester, dicarboxylic acid ester, β-alkoxyisobutyric acid ester, An additive for reducing particulates in a diesel engine exhaust gas, which contains an oxygen-containing compound selected from dioxolane, dioxane, etc., and a diesel engine fuel composition comprising the additive. [Effect] The diesel engine fuel composition of the present invention comprises: In particular, it is possible to remarkably reduce the suspended particulate matter including black smoke emitted from the diesel engine into the atmosphere during the operation under high load. |