<prompt> Translate the following text to EnglishKatika hali ya AEO ya 2001, hali ya B inadhani kuwa idadi kubwa ya teknolojia zinapatikana mapema, gharama za chini, na au ufanisi wa juu.  <response>: Under the AEO 2001 advanced technology characterization, scenario B assumes that a large number of technologies have earlier availability, lower costs, andor higher efficiencies. 