Independently re-verified. Padilla was a lead Senate sponsor who introduced the Clean Commute for Kids Act (S. 1271, April 2021), authorizing $25B for EPA to replace diesel school buses with domestically manufactured zero-emission buses, with 40% targeted to environmental-justice communities — his own live Senate press release confirms this (Source 1). He drove the effort beyond a single vote through introduction and sustained advocacy. The standalone $25B act did not become law, but a related $2.5B (plus $2.5B replacement eligibility) clean/zero-emission school bus provision was enacted in the Infrastructure Investment and Jobs Act, explicitly framed by his office as a 'down payment' toward the Clean Commute for Kids Act goals (Source 2, live). Because he led/sponsored/drove the effort even though it was not fully enacted, CHAMPIONED (+0.75) is the correct outcome — not FULL (the $25B act never passed) and not merely PARTIAL/ATTEMPTED (he was the lead sponsor, not a passive supporter). Adversarial nonpartisan check: a lead sponsor of either party with an enacted partial down-payment would earn the same label; the outcome is fair and consistent. Note: the prior rating's third cited source (cardenas.house.gov) is now a dead domain and has been discarded; its bicameral-call claim was corroborative, not load-bearing. Two live PRIMARY sources fully substantiate the rating, so outcome and confidence stand.