The Comparative Aircraft Flight Efficiency (CAFE) Foundation has been comparison by NASA to control an annual moody foe – The Personal Air Vehicle (PAV) Centennial Challenge. This 0,000 record esteem foe is a 5-part moody contest, written to move onward a brand new category of quiet, efficient, environmentally accessible as well as easy-to-operate personal air vehicles which will magnify available air transport to a severely stretched shred of a American public. The 2007 PAV Challenge will be staged Aug 4 — Aug eleven during a CAFE Flight Test Center during Sonoma County’s Charles M. Schulz Airport.