Disclosed is a combustion engine, that includes a first, fixed stator portion (100) and a second, mobile rotor portion (110), and wherein at least the first, fixed stator portion (110) identifies an air intake pipe (140) and wherein the second, mobile rotor portion (110) is positioned inside the first, fixed stator portion (100); the first and the second portion (100, 110) include magnetic element (200) which are configured to magnetize the air admitted in the intake pipe (140) with a first polarization; the combustion engine further including at least one fuel intake pipe, which in turn is physically associated with magnetic element which are configured to magnetize the fuel with a second polarization which is different from the first polarization.