Patent ID: 7818227

Claim:
System for assigning, tracking and storing equivalent emission values corresponding to purchased items, the system comprising a transaction system with: identifying means comprising a credit card or a bank card for identifying at least a purchaser and/or a vendor, a data processing unit, and a database connected therewith having stored therein at least a first data-file related to a purchaser and a second data-file related to a vendor, said data processing unit connected or connectable with the identifying means, and arranged to register a transaction or transactions, pertaining to at least one product, with a cost related to the transaction of the at least one product, between at least one purchaser and at least one vendor, wherein the database contains for each product a code identifying such product and a pre-selected parameter that is related to an emission value assigned to said product, said data processing unit calculates the emission value associated with such transaction, said calculation comprising a multiplication of the pre-selected parameter and the cost related to the transaction, and stores same in a selection from: the first data-file of the database assigned to the purchaser, a the second data-file of the database assigned to the vendor, and the first data-file of the database assigned to the purchaser together with the second data-file of the database assigned to the vendor.