Priyono Priyono, Damianus Manesi, Edy Suprapto, Fahrizal Fahrizal, and Wofrid E. Bianome, “Title Impact of Engine Downsizing on Fuel Economy and Carbon Footprint : A Simplified Modeling Approach”, IJIIME, vol. 2, no. 2, pp. 8–15, May 2025.