1. Short title; table of contents (a) Short title This Act may be cited as the 100 by '50 Act . (b) Table of contents The table of contents of this Act is as follows: Sec. 1. Short title; table of contents. Sec. 2. Findings; purposes; statement of policy. Sec. 3. Definitions. TITLE I—Clean and renewable energy for all Sec. 101. Making public transportation affordable and accessible. Sec. 102. Making solar energy affordable and accessible to low-income and disadvantaged families. Sec. 103. Making energy efficiency retrofits affordable and accessible to low-income and disadvantaged families. Sec. 104. Making electricity affordable for low income and disadvantaged families. Sec. 105. Increasing sustainable community development capacity. Sec. 106. Training workers for jobs in clean energy. Sec. 107. Requirements for apprenticeship programs and employment of targeted workers. TITLE II—Just transition for workers Sec. 201. Short title. Sec. 202. Definitions. Subtitle A—Adjustment assistance program Part I—Group certification Sec. 211. Petitions. Sec. 212. Group eligibility requirements. Sec. 213. Determinations and certifications. Sec. 214. Subpoena power. Sec. 215. Judicial review. Part II—Individual applications