An other thing that is overdue. Photovoltaic Solar panels. To refresh some memories, PVs convert solar light directly to electricity.
It has been calculated that if every roof in the world was covered with PVs, we would have enough energy to cover
all our needs,
three times over. And that includes transportation.
Some will argue that PVs are ughly. Not so, have a look at newer offering at
Home Power.com