Fuel based catalysts used for soot removal; fuel based catalysts used for avoiding, blocking, destroying and cleaning carbon particles in filters; fuel based catalysts used for keeping clean diesel particulate filters (DPF); chemical additives for fuel; chemical additives for fuel injection system cleaners; chemical additives for fuel treatment; chemical additives for use with internal combustion engine fuels; chemical preparations for use as additive to fuels for combatting pollution; chemic...