ENGINE AND METHOD OF CONTROLLING ENGINE

An engine is provided with: an engine body; an intake line connected to a combustion chamber of the engine body; a first fuel line configured to supply a first fuel to the intake line; a second fuel line configured to supply a second fuel having a lower explosive limit that is higher than that of the first fuel to the intake line; a first flow regulating valve disposed in the first fuel line; a second flow regulating valve disposed in the second fuel line; and a control device configured to control the first flow regulating valve and the second flow regulating valve so that the first fuel is supplied to the combustion chamber before the second fuel is supplied to the combustion chamber in an intake process.