The
US
Environmental
Protection
Agency
said
it
issued
Shell
final
air-quality
permits
the
company
needs
to
operate
a
huge
drillship
and
associated
vessels
in
the
Chukchi
and
Beaufort
Seas.
Loss
of
similar
permits
in
a
battle
with
environmentalists
and
Alaska
native
groups
last
winter
forced
Shell
to
abandon
its
plan
to
drill
this
year.
A
Shell
representative
said
approval
of
the
new
permits
puts
the
company
on
its
way
to
drilling
in
the
offshore
Arctic.
Shell
plans
to
drill
two
wells
a
year
in
the
Beaufort
in
2012
and
2013
and
up
to…