Optimizing Biodiesel-Butanol Blends for Low CO₂ Emissions and Fuel Efficiency in Diesel Engines. International Journal of Energy & Environment, [S. l.], v. 1, n. 1, p. 80–92, 2025. Disponível em: https://e-journal.scholar-publishing.org/index.php/ijee/article/view/124. Acesso em: 10 sep. 2025.