In
a
speech
that
industry
sources
told
Recharge
had
failed
to
reassure
turbine
manufacturers
considering
major
investments
in
the
UK,
Davey
made
it
clear
that
wind
was
in
a
race
to
prove
itself
against
other
energy
technologies.
Davey
said:
“I
really
don’t
know
what
our
overall
energy
mix
will
look
like
in
a
decade’s
time
–
given
the
huge
uncertainties.
“And
it's
not
for
government
to
decide
what
blend
of
energy
technologies
will
keep
the
lights
on
–
and
the
air
clean
–
in
10,
20
or
30
years’
time,”
he
told
the…
