# Sources — ep04_ethanol-mandate ## PRIMARY SOURCES (verified 2026-09-12) - **L1 admit state:** applied - **L1 receipt id:** 294d8efc22a6 - **FAISS indexed:** True (dim 4096) - **R7 numeric grounding:** PASS - **Congressional Budget Office, RFS cost analysis (2022)** - URL: https://www.cbo.gov/ - Supports: ~$6.1B/yr; ~$61B/10yr - **Energy Independence and Security Act of 2007 (Pub. L. 110-140)** - URL: https://www.congress.gov/bill/110th-congress/house-bill/6 - Supports: expanded RFS mandate **Status:** SOURCED — admitted to L1 truth ledger through the 10-rule L2 governance gate + FAISS 4096-d index. Receipt: `admit_receipts_first7.json`.