On-desire AWD techniques generate the secondary axle by means of an Lively or passive coupling device or "by an independently driven generate system". The conventional notes that in some cases, the secondary generate procedure may supply the main auto propulsion. An illustration is usually a hybrid AWD motor vehicle in https://groupak.gr/%CE%BF%CF%80%CE%AF%CF%83%CE%B8%CE%B9%CE%BF%CE%B9-%CF%80%CE%AF%CF%83%CF%89-%CF%80%CF%81%CE%BF%CF%86%CF%85%CE%BB%CE%B1%CE%BA%CF%84%CE%AE%CF%81%CE%B5%CF%82