Improving the fuel economy and reduction of pollutants from Automobiles using HHO gas. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 3, n. 7, p. 3275–3284, 2015. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/147.. Acesso em: 8 may. 2024.