The United States vigorously promotes the light bulb revolution to switch to a new energy-saving source
At the beginning of the new year, some traffic tunnels with large traffic volume in cities such as New York in the United States began to replace traditional fluorescent lamps with LED lighting. As far as the United States is concerned, the "light bulb revolution" is being vigorously promoted from Congress to the government. According to the Energy Law Amendment just passed by Congress not long ago, the United States plans to phase out incandescent bulbs that have been used for more than 100 years in the next 12 years, and switch to new energy-saving lamps. According to this law, by 2012, all allowed bulbs must meet the standard of at least 70% power savings compared to current bulbs.
At present, there are many lamps on the US market that are more energy-efficient than traditional incandescent lamps, including energy-saving fluorescent lamps, halogen lamps, and LED lamps. Among them, energy-saving fluorescent lamps have saved 70% of electricity compared with conventional bulbs, but the price is relatively high. The average incandescent lamp market is priced at 50 cents, while the energy-saving fluorescent lamp is for two dollars. According to reports, the average life expectancy of traditional incandescent lamps is 7 months, while the life of energy-saving fluorescent lamps is 6 times that of it. On average, the annual electricity cost can be saved by 5 yuan, so the cost can be exchanged in 4 months. LEDs have a longer life span and can last for 15 years, but at a higher cost. Those who support the promotion of energy-saving lamps pointed out that although some people may save five yuan in one year, the current accounts are more cost-effective than the long-term accounts, and they can better reflect the environmental protection of citizens. Consciousness is a good thing for the whole society.
The electricity consumption of Americans in daily life is generally large, and it is a waste to use the standards of developed countries. According to statistics, the average American electricity consumption is twice that of Europeans, six times the world average, and 22% of electricity consumption is used for lighting. The waste of electricity in the United States can only be seen from the annual Christmas decoration. Every year from November to December, from all over the country, from streets, office buildings, shops to homes, there are countless Christmas trees and Christmas grass circles. The lanterns in the decoration are more like the stars in the sky. clear.
According to experts' estimates, if the lights on the Christmas tree are replaced by LED lights, the United States will save at least 2 billion kWh in this month. These electric feet can be used to support 2 million households for a whole year. Electricity. However, in the past Christmas of 2007, from New York to Washington, LED lights were used on many large Christmas trees that are important for the country. At the same time as saving electricity, it also issued clear energy conservation and environmental protection information, so the social significance is even more important.
According to the understanding, the widely used incandescent bulbs still use the technology of the invention of more than one hundred years of light bulbs, and its energy efficiency is only 5%, which means that only one of the electric energy consumed by a light bulb when it is powered on. % is used for illuminating, while the remaining 95% is converted into heat and wasted. Experts estimate that after the comprehensive replacement of light bulbs in the United States, from 2012 to 2030, the United States will save 40 billion US dollars in electric light energy, which will mean the construction of 14 thermal power plants and the reduction of at least 51 million tons per year. Carbon emissions.
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