(a)
Definition.—
In this section, the term “retrofit device” means any component, equipment, or other device—
(1)
that is designed to be installed in or on an automobile (as an addition to, as a replacement for, or through alteration or modification of, any original component, equipment, or other device); and
(2)
that any manufacturer, dealer, or distributor of the device represents will provide higher fuel economy than would have resulted with the automobile as originally equipped,
as determined under regulations of the Administrator of the Environmental Protection Agency. The term also includes a fuel additive for use in an automobile.