
PEB Cover 75% of World’s Energy Demand 753
drive a distance of 15,000 km each year with their solar-powered
electric cars. In 2009, the PlusEnergyBuildings in Bennau/Schwyz
and the PlusEnergyBuilding refurbishment of Z
¨
ust in Gr
¨
usch were
awarded the European Solar Prize. They have a self-supply of 110
to 160%.
a
Also these apartment and business buildings do not only
supply themselves on their own, but produce solar electricity used
for the mobility of the inhabitants. With such practical examples,
the building and solar industry proves that the “Stanford plan for
an emission-free world”
b
could be realised until 2030 according
to today’s technological