Thermal efficiency and power density improvement are the main research foci of the literature on diesel engines. The Miller cycle is considered to be one of the most promising methods of diesel engine operation. In this study. a fully variable valve timing and lift mechanism (CD-HFVVS) was studied to determine the possibility of a Miller operation. https://countryscenesaddleryandpetsuppliers.shop/product-category/the-hat-jack-hat-stretcher/