London EV Company London EV Company London EV Company Limited (LEVC, formerly The London Taxi Corporation Limited trading as The London Taxi Company) is an automotive engineering company with its headquarters near Coventry, United Kingdom, and a wholly owned subsidiary of Chinese automaker Geely. The company is famous for its London black taxicabs. Geely's involvement in British taxicab production dated to 2006 when it partnered with LEVC's predecessor The London Taxi Company, and its parent Manganese Bronze Holdings, in the creation of a China-based taxicab manufacturing joint venture. In 2009 Geely bought shares in Manganese Bronze Holdings. In 2012 Manganese Bronze Holdings entered
Manganese deficiency (medicine) Manganese deficiency (medicine) Manganese deficiency in humans results in a number of medical problems. Manganese is a vital element of nutrition in very small quantities (adult male daily intake 2.3 milligrams). However, in greater amounts manganese, like most metals, is poisonous when eaten or inhaled. Manganese is a component of some enzymes and stimulates the development and activity of other enzymes. Manganese superoxide dismutase (MnSOD) is the principal antioxidant in mitochondria. Several enzymes activated by manganese contribute to the metabolism of carbohydrates, amino acids, and cholesterol. A deficiency of manganese causes skeletal deformation in animals and inhibits the production of