Air Quality and Emissions on the Ground

Air quality around the airport is monitored by the Hong Kong Government. In recent years, local air emissions from aviation in Hong Kong have been calculated at 6% for nitrogen oxides (NOx), 3% for carbon monoxide (CO) and 2% for other air pollutants.

In addition to our flight operations which contribute to local air quality, together with all our subsidiary companies, we continue to work on our infrastructure in order to reduce emissions from our ground operations.

Our wholly-owned subsidiary, Hong Kong Airport Services (HAS), has the largest vehicle fleet in the Group, and is the largest ground handling agent in Hong Kong, serving 33 airlines. In line with its vehicle replacement plan, HAS replaced four crew shuttle buses with Euro V standard vehicles in 2011. It is anticipated that phasing out of all pre-Euro and Euro I cars in the fleet will be completed by 2012 when the remaining four pre-Euro and Euro I vehicles still in service are replaced. In total, 25% of its 533-strong fleet now comprise lower emission vehicles that meet higher standards, including ten Euro IV, seven Euro V vehicles and 136 electric ground support equipment (GSE)/vehicles.

HAS has successfully trialled and has ordered seven sets of the POSICHARGE Fast Charging System for its electric GSE, which are expected to be put into service next year. Their implementation is expected to save up to 20% on electricity. To further improve efficiency, HAS refuels its vehicles at night-time and moves them to the location where they will be used the next day, thus saving on operational time and fuel consumption. A real-time task allocation system has also been tested, which helps improve logistics and reduces unnecessary travelling of GSE/vehicles. Further testing and fine-tuning of this system will be undertaken in 2012.

Overall, compared to 2010, HAS has reduced electricity consumption by 5.5% per thousand air traffic movement (ATM) and reduced fuel consumption by 2.9% per thousand ATM in 2011.

Vogue Laundry Services is another wholly-owned subsidiary of Cathay Pacific. It employs over 600 staff and serves over 18 airlines, 25 hotels and has a daily output of 261,000 items, equivalent to 77 tonnes of laundry. It is the first laundry in Hong Kong to be certified to the ISO 14001 environmental management standard and the OHSAS 18001 occupational health and safety standard.

Over the past few years, Vogue has been actively exploring ways to reduce emissions through active carbon absorption in the dry cleaning machines and from perchloroethylene, which is a volatile organic compound (VOC) consumed in the dry cleaning process. Consumption of this solvent has been reducing and in 2011, it was 6.4% less than in 2010. Vogue also switched from a diesel boiler to a dual fuel boiler utilising Towngas and ultra low diesel at a 75:25 ratio, which helped reduce CO2 emissions by 12% when compared to the same period in 2010.

Vogue runs a fleet of 28 vehicles for its collection and delivery services. In 2011, one new Euro IV truck, one new Euro V truck and one Euro IV van were added to the fleet, with a further two Euro I and two pre-Euro I trucks phased out. It is anticipated that the remaining ones will be phased out completely by 2012.

Cathay Pacific Catering Services (CPCS), a 100% subsidiary of Cathay Pacific, serves 36 airlines and is one of the largest flight kitchens in the world. This year, air cool condensers in the blast chillers were replaced by more energy-efficient water cool condensers, saving 82,080 kW between September and December. The kitchen boilers switched to the use of Towngas since June, which consumed a total of 67,404,528 megajoules (MJ) up till December. CPCS also continues to have a dedicated purchasing team to source sustainable seafood. Four Euro IV trucks were delivered in 2011.

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