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  electric car ,   battery electric car , or   all-electric car   is an   automobile   that is propelled by one or more   electric motors , using only energy stored in   batteries . Compared to   internal combustion engine   (ICE) vehicles, electric cars are quieter, have no   exhaust emissions , and lower   emissions   overall. [1]   In the United States and the   European Union , as of 2020, the total cost of ownership of recent electric vehicles is cheaper than that of equivalent ICE cars, due to lower fueling and maintenance costs.   Charging an electric car can be done at a variety of   charging stations ; these charging stations can be installed in both houses and public areas. Worldwide, 6.6 million   plug-in electric cars   were sold in 2021, more than doubling 2020 sales, and achieving a market share of 9% of the global new car market.   All-electric cars represented 71% of ...

  Perfume  ( French :   parfum ) is a mixture of   fragrant   essential oils   or   aroma compounds   (fragrances),   fixatives   and   solvents , usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agreeable   scent .  The 1939   Nobel Laureate   for Chemistry,   Leopold Ružička   stated in 1945 that "right from the earliest days of scientific chemistry up to the present time, perfumes have substantially contributed to the development of   organic chemistry   as regards methods, systematic classification, and theory Ancient texts and archaeological excavations show the use of perfumes in some of the earliest human civilizations. Modern perfumery began in the late 19th century with the commercial synthesis of aroma compounds such as  vanillin  or  coumarin , which allowed for the composition of perfumes with smells previously unattai...