Ignatio Madanhire is a Lecturer and a Researcher in industrial and engineering management with a focus on sustainable development and environmental preservation. He has served as a Mechanical Engineer for the Government of Zimbabwe. He has also served as a Lubrication Engineer with Mobil Oil International and Lubricants Business Development Manager with Castrol International. He is currently a Lecturer in Mechanical Engineering Department at the University of Zimbabwe. In addition, he is a consultant in industrial lubrication and manufacturing systems. He is member of the Zimbabwe Institute of EngineersCharles Mbohwa is an established researcher and professor in operations management, manufacturing systems, green supply chain management and sustainability engineering, optimization, and his specialisms include renewable energy systems, and bio-fuel feasibility.

• Lubricant environmental impacts.- Green lubricant design and practice aspects.- Synthetic lubricants.- Development of biodegradable lubricants.- Environment and the economics of long drain intervals.- Recycling of used oil.-Future lubricant trends.

Ignatio Madanhire is a Lecturer and a Researcher in industrial and engineering management with a focus on sustainable development and environmental preservation. He has served as a Mechanical Engineer for the Government of Zimbabwe. He has also served as a Lubrication Engineer with Mobil Oil International and Lubricants Business Development Manager with Castrol International. He is currently a Lecturer in Mechanical Engineering Department at the University of Zimbabwe. In addition, he is a consultant in industrial lubrication and manufacturing systems. He is member of the Zimbabwe Institute of EngineersCharles Mbohwa is an established researcher and professor in operations management, manufacturing systems, green supply chain management and sustainability engineering, optimization, and his specialisms include renewable energy systems, and bio-fuel feasibility.

• Lubricant environmental impacts.- Green lubricant design and practice aspects.- Synthetic lubricants.- Development of biodegradable lubricants.- Environment and the economics of long drain intervals.- Recycling of used oil.-Future lubricant trends.

Ignatio Madanhire is a Lecturer and a Researcher in industrial and engineering management with a focus on sustainable development and environmental preservation. He has served as a Mechanical Engineer for the Government of Zimbabwe. He has also served as a Lubrication Engineer with Mobil Oil International and Lubricants Business Development Manager with Castrol International. He is currently a Lecturer in Mechanical Engineering Department at the University of Zimbabwe. In addition, he is a consultant in industrial lubrication and manufacturing systems. He is member of the Zimbabwe Institute of EngineersCharles Mbohwa is an established researcher and professor in operations management, manufacturing systems, green supply chain management and sustainability engineering, optimization, and his specialisms include renewable energy systems, and bio-fuel feasibility.

• Lubricant environmental impacts.- Green lubricant design and practice aspects.- Synthetic lubricants.- Development of biodegradable lubricants.- Environment and the economics of long drain intervals.- Recycling of used oil.-Future lubricant trends.