In
comments
at
his
departure
from
Havana
after
a
one-day
visit
to
the
communist
island,
Calderon
said
Pemex
would
look
at
Cuban
exploration
blocks
contiguous
to
Mexican
waters
and
"with
full
respect
for
the
sovereignty
of
our
countries,"
Reuters
reported.
The
letter
calls
for
Pemex
to
"evaluate
the
possibility
of
participating
and
investing
in
the
exploration
and
exploitation
of
hydrocarbons
in
Cuba
(offshore),"
the
news
wire
quoted
him
as
saying.
Calderon
came
to
Cuba
to
patch
up
strained
relations
between
the
two
countries.
The
non-binding
nature
of
the
letter
of
intent
means
there
is…