The Secretary may issue regulations to carry out this section.
There are authorized to be appropriated such sums as may be necessary to cover the cost of loan guarantees under this section, as defined by section 661a(5) of title 2. Such sums shall remain available until expended.
The term “Federal guarantee instrument” means any guarantee or other pledge by the Secretary to pledge the full faith and credit of the United States to pay all of the principal and interest on any loan or other debt obligation entered into by a holder of a certificate of public convenience and necessity.
The term “qualified infrastructure project” means an Alaskan natural gas transportation project or system consisting of the design, engineering, finance, construction, and completion of pipelines and related transportation and production systems (including gas treatment plants  liquification plants and liquefied natural gas tankers for transportation of liquefied natural gas from southcentral Alaska to the West Coast), and appurtenances thereto, that are used to transport natural gas from the Alaska North Slope to the continental United States.