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Innovations in the latter half of the 20th century allowed more ubiquitous air conditioner use. In 1945, Robert Sherman of Lynn, Massachusetts, invented a portable, in-window air conditioner that cooled, heated, humidified, dehumidified, and filtered the air. [37] The first inverter air conditioners were released in 1980–1981. [38] [39]
The levelized cost of electricity (LCOE) is a metric that attempts to compare the costs of different methods of electricity generation consistently. Though LCOE is often presented as the minimum constant price at which electricity must be sold to break even over the lifetime of the project, such a cost analysis requires assumptions about the value of various non-financial costs (environmental ...
The World Bank is helping lower income countries buy electric buses. Their purchase price is higher than diesel buses. But lower running costs and health improvements due to cleaner air can offset this higher price. [211] Between one quarter and three quarters of cars on the road by 2050 are forecast to be electric vehicles. [212]
In India, nearly 28.5 million metric tons of LPG were consumed in the 2023-24 financial year in the domestic sector, mainly for cooking. [19] In 2016, the number of domestic connections was 215 million (i.e., one connection for every six people) with a circulation of more than 350 million LPG cylinders. [20] Most of the LPG requirement is imported.
India emitted 2.8 Gt of CO 2eq in 2016 (2.5 including LULUCF). [242] [243] 79% were CO 2, 14% methane and 5% nitrous oxide. [243] India emits about 3 gigatonnes CO 2eq of greenhouse gases each year; about two tons per person, [244] which is half the world average. [245] The country emits 7% of global emissions. [246]
Bangladesh, [a] officially the People's Republic of Bangladesh, [b] is a country in South Asia.It is the eighth-most populous country in the world and among the most densely populated with a population exceeding 170 million within an area of 148,460 square kilometres (57,320 sq mi).
The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): Type/prefix (see legends); ASHRAE number
The 3rd article of the Constitution of Bangladesh states Bengali to be the sole official language of Bangladesh. [12] The Bengali Language Implementation Act, 1987 , made it mandatory to use Bengali in all records and correspondences, laws, proceedings of court and other legal actions in all courts, government or semi-government offices, and ...