Automotive emission is becoming a critical threat to today’s human health. Many researchers are studying engine designs leading to less fuel consumption. Gearbox selection plays a key role in an engine design. In this study, Taguchi quality engineering method is employed, and optimum gear...

This study determines the impact of administrative-empowerment AEM through the empowerment concept on the performance of employees in the National-Iranian-sector's-distribution of petroleum products in Torbat Heydariyeh, Iran. This goal is accomplished by the case study's perspectives on the...