Conservation of Energy
Energy supplies can be extended by the conservation, or planned management, of currently available resources. There are three types of energy conservation practices. The first is curtailment; doing without. For instance, cutting back on travel to reduce the amount of gasoline burned. The second is overhaul; changing the way people live and the way goods and services are produced. For example, slowing further urbanization of society by using less energy-intensive materials in production processes and decreasing the amount of energy consumed by certain products such as cars. The third type is the more efficient use of energy; adjusting to higher energy costs. An example is investing in cars that go father per gallon or insulating houses. Societies most commonly adopt this option because it requires less drastic changes in lifestyle. Increased energy efficiency helps the world energy balance and productive conservation is no less an energy alternative than the energ
Over time, improvements in energy efficiency more than pay for themselves. cities can make their use difficult. Energy supply is the combined resources by which the nations of the world attempt to meet their energy needs. cars to by about 40 percent from 1975 to 1990. New engine technologies that rely on electric batteries or highly efficient fuel cells as well as engines that run on natural gas, may play a much greater role in the early 21st century. Improvements in manufacturing can be classified into the categories: improving housekeeping, such as doing routine maintenance on furnaces and using only necessary lighting; recovery of waste, recovering heat and recycling waste by-products; and technological innovation, for example redesigning products and processes to embody more efficient technologies. They can be highly efficient but the unrestrained character of many U. However, mass production of cars which this efficiency would require vast capital investments. Much of this improvement has been offset by dramatic increases in the number of cars on the road. Also, the price of energy is very high. Today, automobile manufacturers have the technical ability to build cars which a much higher fuel efficiency than mandated by Congress. Techniques to save energy include designing buildings to use passive solar heat, using computers to monitor and regulate the use of electricity, and investing in more efficient lighting and improved heating and cooling systems.
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