The
US
unit
of
the
German
company
at
the
centre
of
a
global
trade
row
will
upgrade
and
replace
several
systems
at
its
vertically-integrated
solar
plant
outside
of
Portland.
The
changes
will
introduce
three
"technological
advances"
–
unspecified
"for
competitive
reasons"
–
that
SolarWorld
says
will
improve
power
output
of
its
PV
cells.
SolarWorld
says
the
upgrades
come
from
its
own
research
and
development
work
in
Oregon
and
Europe.
SolarWorld
Americas
president
Gordon
Brinser
told
an
audience
at
Intersolar
North
America
last
month
that
the
company
has
had
to
accelerate
its
cost-reduction
efforts…
