; (ii) descriptions of the review process; and (iii) explanations of the selected awards. (d) Authorization of appropriations (1) In general There are authorized to be appropriated to carry out this section such sums as are necessary. (2) Availability Amounts made available to carry out this section shall remain available for a period of 3 years after the last day of the fiscal year in which the amounts were made available. (e) Hub operations (1) In general Each Hub shall conduct, or provide for, multidisciplinary, collaborative research, development, demonstration, and commercial application of innovative materials. (2) Activities Each Hub shall— (A) encourage collaboration and communication among the member qualifying entities of the consortium, as described in subsection (c)(1), and awardees; (B) develop and publish proposed plans and programs on a publicly accessible website; (C) submit to the Department of Transportation an annual report summarizing the activities of the Hub, including information— (i) detailing organizational expenditures; and (ii) describing each project undertaken by the Hub, as it relates to conducting and supporting multidisciplinary, collaborative research, development, demonstration, standardized design development, and commercial application of innovative materials