The community enhancement projects eligible to receive Program funds include: down payment assistance for homebuyers to purchase and rehabilitate homes; programs to acquire or rehabilitate vacant or blighted properties; programs to improve existing residential and business properties; programs to achieve energy efficiency through weatherization and energy retrofits; development of affordable housing; development of mixed–use projects that combine housing, retail, and office space; development or enhancement of community open space or public infrastructure; workforce and employment development programs, when associated with other projects listed under this subsection; career and technical education and apprenticeship programs, when associated with other projects listed under this subsection; and strategic demolition. Program funds may be used for operating costs necessary to implement a community enhancement project. The Secretary may establish additional community enhancement projects eligible to receive Program funds.