490.303—Who must comply.
(a)
Except as provided by paragraph (b) of this section, a covered person must comply with the requirements of this subpart if that person is—
(1)
A covered person whose principal business is producing, storing, refining, processing, transporting, distributing, importing or selling at wholesale or retail any alternative fuel other than electricity; or
(2)
A covered person whose principal business is generating, transmitting, importing, or selling, at wholesale or retail, electricity; or
(i)
Who produces, imports, or produces and imports in combination, an average of 50,000 barrels per day or more of petroleum; and
(b)
This subpart does not apply to a covered person or affiliate, division, or other business unit of such person whose principal business is—
(2)
consuming alternative fuels as a feedstock or fuel in the manufacture of a product that is not an alternative fuel.