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
Dora (given name) Dora (given name) Dora () is a female name of Greek origin being a shortened form or derived from Dorothea (Dorothy), Theodora meaning "Gift" or in its full form "God's Gift", from , "doron", "gift" + , "theos", "god". The name "Dora" can also be a short form of "Isadora", "Isidora" and other such compound names. The earliest form of the word "doron" is the Mycenaean Greek , "do-ra", meaning "gifts", written in the Linear B syllabic script, but it is not an anthroponym, it is only the plural () of said word; on the other hand, the names "Theodora"