Necessary conditions for achieving energy self-sufficient thermal engines and the roadmap for achieving them. JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 24, p. 140–175, 2026. DOI: 10.24297/bnjvq190. Disponível em: https://rajpub.com/index.php/jap/article/view/9922. Acesso em: 6 aug. 2026.