Company
officials
told
Recharge
that
EPA
approval
will
significantly
improve
its
nationwide
biodiesel
distribution
capabilities
and
further
diversify
risk
by
expanding
sales
in
multiple
markets.
Those
markets
include
Europe,
Central
and
South
America,
and
marine
traffic
in
the
Gulf
of
Mexico.
The
company,
a
unit
of
GreenHunter
Energy,
operates
a
105
million-gallon-a
-year
biodiesel
refinery
in
Houston,
the
largest
in
the
country.
Unlike
some
biodiesel
producers,
GreenHunter
uses
only
vegetable
oils
and
low-grade
animal
fats
as
feedstocks.
``One
feedstock
we’ve
been
using
is
jatropha,
a
vegetable
oil
that
is
poisonous
to
humans,’’
Jack
Zedlitz,…