Dosage dispensers, namely, dispensing machines that measure output of pre-determined amounts of dispensing chemical and non-chemical additives for use with fuels; automatic dosage apparatus, namely, dispensing machines that measure output of a pre-determined amount of chemical and non-chemical additives for use with fuels; electronic regulators, namely, electronic controllers for machines for monitoring the dispensing of chemical and non-chemical additives to fuels; controllers being regulato...