The lubrication is a prime requirement of metal cutting industries to assure high quality performance. conventional technique coolant flow less economical and eco-friendly. Recently, nano fluids found better fluid in machining due potential thermal heat transfer properties. role micro-lubrication techniques process optimization are equally important for improving literature review presents the ...

Voluntary environmental programs (VEPs) can address environmental externalities when mandatory regulations are unattainable or undesirable. The extent to which VEPs succeed at improving environmental quality depends on participation levels from firms and consumers. We examine the factors that lead to a successful VEP by studying participation levels in residential green electricity programs. Am...