The mark consists of the words "CLOSED LOOP PROCESS" stacked and in all capital letters, presented in the center of the design, with the word "PROCESS" in an essentially rectangular block, and with the following additional features: the word "COLLECTION" stacked over a diagrammatic depiction of an oil tanker truck, both appearing above "CLOSED LOOP PROCESS"; the word "RE-REFINING" stacked under a diagrammatic depiction of an oil refinery, both appearing to the right of "CLOSED LOOP PROCESS"; the word "BLENDING" stacked under a diagrammatic depiction of a chemical beaker with three liquid drops extending therefrom overlapping a oil bottle, both appearing under "CLOSED LOOP PROCESS"; and the word "SERVICING" stacked under a diagrammatic depiction of an automobile with its hood up and with a bottle of oil and an oil drop partially presented under the open hood, both appearing to the left of "CLOSED LOOP PROCESS". In addition, there are four diagrammatic arrows, one appearing in each corner of the design, with one arrow extending from "COLLECTION" and the truck to "RE-REFINING" and the refinery, one arrow extending from "RE-REFINING" and the refinery to "BLENDING" and the chemical beaker, one arrow extending from "BLENDING" and the chemical beaker to "SERVICING" and the automobile, and one arrow extending from "SERVICING" and the automobile to "COLLECTION" and the truck.