member-states, free float of goods, services, capital and labor force, and also the common foreign trade and coordinated tax, monetary and finance policies. the creation of a regional integration organization is based on the principle of integration at different levels and different speeds, which is fixed...
oils, animal fats, or recycled cooking grease for use in diesel vehicles. diesel vehicles electricity electricity can be used to power plug-in electric vehicles, which are increasingly available. hybrids use electricity to boost efficiency. hybrid & plug-in vehicles ethanol ethanol is a widely used...