Hydrogen economy small part (4% in 2006) is produced by electrolysis using electricity and water, consuming approximately 50 kilowatt-hours of electricity per kilogram of hydrogen produced. The Kværner-process or Kvaerner carbon black & hydrogen process (CB&H) is a method, developed in the 1980s by a Norwegian company of the same name, for the production of hydrogen from hydrocarbons (CH), such as methane, natural gas and biogas. Of the available energy of the feed, approximately 48% is contained in the hydrogen, 40% is contained in activated carbon and 10% in superheated steam. Hydrogen can be made via high pressure electrolysis, low pressure electrolysis
Maria (given name) contrast, in northern Europe the name only rose to popularity after the Reformation. Because the name is so frequent in Christian tradition, a tradition of giving compound names has developed, with a number of such compounds themselves becoming very popular. Examples include Anna+Maria (Anne-Marie, Marianne, etc.) Maria+Luisa (French Marie-Louise,) Margarita+Maria (English Margaret Mary, French Marguerite Marie etc.), Maria+Antonia (Italian Maria Antonia, French Marie-Antoinette etc.) Maria+Helena (Italian Maria Elena, Spanish María Elena), Maria+Teresa, among numerous others. As a feminine given name, Maria ranked 109th in the United States as of 2015, down from rank 31 held during 1973–1975. Spelling variants of