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Walsh, IATA, says that the shortage of fuel and new aircraft puts IATA's emissions target at risk.

The head of an organization representing global airlines, said that shortages of new efficient aircraft and alternative fuels are pushing up profits for the suppliers and putting in danger the industry's flagship goal of reducing emissions.

Willie Walsh said that the use of older aircraft and the shortage of Sustainable Aviation Fuels (SAF) was driving up costs, and delaying a move to cleaner flying.

Walsh said on TV the night before the Singapore Airshow, which runs from Feb 3-8, "I am still optimistic but cautiously optimistic that we will achieve net zero by 2050, although it is becoming more difficult."

IATA's 350 member airlines set a target for 2021 of reducing emissions by 2%-3%. This effort is heavily dependent on SAF, and the timely delivery of new planes and engine due to supply chain problems.

Walsh responded to the question of whether IATA will stay the course during its next meeting, in June: "It is possible that some member airlines may say they can't commit to a net zero by 2050."

The influential trade group has so far stayed true to its goal, but is growing increasingly concerned about delays and maintenance bottlenecks with recent engines as well as shortages in SAF. Walsh stated, "If I am honest, I do not think that it has gotten worse but I have seen very little signs of improvement."

'NOT THE PARTNERS OF OURS'

Walsh said that supply problems, and the price increases for engine parts in particular, had increased the gap between airlines' tight margins and their suppliers of engines or energy.

He said, "It is not sustainable...I believe we will have to have more serious discussions about this issue now."

He also questioned the idea of cooperation between industry and government that is often presented at events such as this week's 'Asia’s largest air show'.

"It makes me angry when I hear the engine makers talk about partnerships and partners. Walsh stated that they are not our partners.

The comments made?on the fringes of the Changi Aviation Summit was the latest salvo fired in a three way supply dispute between airline, engine and plane manufacturers.

Engine manufacturers rarely talk about 'prices' but are very vocal in their efforts to show the magnitude of investment needed to develop jet engines. Over the lifetime of an aircraft, every drop of fuel that is saved can have a positive impact on cost and the environment.

Walsh rejected the suggestion that certain airlines themselves were giving less priority to climate control due to the shift away from green policies within the United States.

Walsh said that the pressure has eased a bit in some areas. "But in the long term, I still hear from people that there's a problem, and they want to know how we can solve it." (Reporting from Tim Hepher & Bernadette B. Baum)

(source: Reuters)