March-April_2022 - 27

COVER STORY
" Airports are a really tight-knit group,
so getting support to finding strategies
to move forward through this program
are readily available, " Carpenter said.
" As we moved up the program, we even
partnered with other airports in Texas
to do some information sharing. "
Level 2 of the program aims are
reduction of carbon footprint across
the airport, starting with Scope 1
emissions, which covers energy and
fuel usage onsite as an entity. Scope 2
examines electric usage in the airport
and Scope 3 looks at energy usage for
all tenants an airport can influence.
AUS made efforts to reduce Scope 1
emissions before joining the program,
Carpenter said. The city mandated all
facilities switch to green energy in
2012 harvested from west Texas wind
farms.
This effort alone dropped the airport's
carbon footprint by 75%.
All city facilities in Austin must
meet LEED Silver standards, which
Carpenter said the airport exceeds.
Airport vehicles and shuttle bus fleets
also use biodiesel, E85, propane and
compressed natural gas (CNG). AUS
is now changing CNG shuttle buses to
Renewable Natural Gas (RNG).
The move gave the airport extra
carbon credits, which are shared with
onsite parking companies to help them
reduce their carbon footprint.
" We realized all the low hanging fruit
had been picked, so the airport needed
to reach higher to get the fruit and make
improvements, " Carpenter said.
AUS continues to expand its electric
ground support charging infrastructure
to assist airline partners in switching
out diesel equipment. Carpenter said
they work with the airlines to get
Diesel Emission Reduction (DERA)
Grants and every new gate will have
electrification infrastructure in place.
The airport is also working with
Austin Energy to install Level 1 charging
across a six-level parking garage
to support growing electric vehicles
in the market.
" We're learning as we go, " Carpenter
said. " Depending on the user and the
expected, user we're finding more
affordable ways to put the technology
in. " 
HOW AUSTIN-BERGSTROM
INTERNATIONAL AIRPORT IS
REDUCING ITS CARBON FOOTPRINT
f A partnership with Austin Energy to
generate 1.8 megawatts of renewable
solar energy on the airport campus
f A partnership with Signature Flight
Support to accept the first-ever
delivery of sustainable aviation fuel
to AUS
f Using 100% renewable energy in the
Barbara Jordan Terminal through
Austin Energy's GreenChoice Program
f Using renewable natural gas to power
AUS's shuttle bus fleet and piloting a
renewable natural gas credit sharing
program with Clean Energy to aid
airport partners in reducing their
emissions
f Receiving Gold LEED Green Building
certifications on several buildings
on the airport campus, including
the 2019 nine-gate expansion and
administration building
f Achieving an Austin Energy Green
Building 3-star rating on the newest
completed airport facility, the Airport
Career and Development Center
f Purchasing renewable energy and
carbon offsets from sustainable
sources and promoting The Good
Traveler program to AUS passengers
f Establishing the AUS Food Rescue
Program, which donates unused
perishable food from concessions to
Keep Austin Fed, and a campus-wide
composting and recycling program
f Partnering with airlines to support
electric-powered airline ground
service equipment
Source: Austin-Bergstrom International Airport
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