China on Thursday initiated a sustainable aviation fuel (SAF) program in several airports to promote a green and low-carbon transition in the aviation sector.
The program involves China Southern Airlines, China Eastern Airlines and Air China.
Starting Friday, 12 flights taking off from Beijing Daxing International Airport, Chengdu Shuangliu International Airport, Zhengzhou Xinzheng International Airport, and Ningbo Lishe International Airport, began using SAF.
At 7:19, a flight refueled with SAF departed from Shuangliu airport and landed safely at Beijing Capital International Airport after a 130-minute journey, marking the first commercial flight using SAF.
"Judging from today's flight conditions, the engine performed well, the fuel consumption was comparable to that of traditional aviation fuel, and the entire flight was smooth," said Tang Zheng, a pilot from Air China's Southwest Branch.
The first phase of the program will run from September to December 2024, before a second phase throughout 2025, during which the number of participants will gradually increase.
SAF is a liquid aviation fuel alternative to traditional jet fuel that meets airworthiness standards and sustainability evaluation standards. Made from renewable materials, it can reduce carbon emissions by about 70 percent over the fuel's life cycle compared to conventional jet fuel.
Approximately 99 percent of the carbon emissions from the civil aviation industry are linked to fuel consumption during flights.
"Sustainable aviation fuel is a true green energy that can cut carbon emissions by over 70 percent over its life cycle. If produced from biomass raw materials, it can reduce emissions by over 85 percent or even achieve zero carbon or negative carbon emissions," said Yang Xiaojun, a researcher at the institute of environment and sustainable development of the Civil Aviation University of China.
Compared with traditional fossil-based jet fuel, SAF has similar energy density and volume density, allowing it to be used directly in the aviation sector without modifications to existing civil aviation infrastructure or aircraft. It is characterized by high safety, advanced technology and significant emission reduction.
China starts sustainable aviation fuel pilot
The Iranian government is focusing on public concerns and maintaining stable supplies of essential goods amid recent protests, Iranian President Masoud Pezeshkian said in a televised interview on Sunday.
In the city of Karaj, northwest of the capital Tehran, daily life has largely continued as normal. A video filmed by a local resident on Sunday shows food stores open and grocery shelves fully stocked.
"This is the block near my home, and there are some food stores here. Daily life continues here. Last night we did not see many protests in Karaj. Right now the city is very safe. This is a grocery store close to my home. All the food is available; nothing is in shortage. Here are noodles and different types of beans. Here are dairy products, cheese, and yogurt. I also checked other grocery stores and didn't see any shortages. Everything is available," said local resident Ali Reza.
Iranian officials have described recent disturbances as acts orchestrated by the "enemy," including some carried out by well-trained and armed "terrorists." The incidents have caused casualties among security personnel and civilians, as well as property damage.
The Secretary of Iran's Supreme National Security Council Ali Larijani has directed authorities to severely punish the "terrorists."
Meanwhile, Iran's police chief Ahmad-Reza Radan said on Sunday that the police had raised alert levels and arrested several leaders of the troublemakers during the operations on Saturday.
President Pezeshkian noted in the interview that the normal demands of the Iranian people are reasonable and justified, but they must realize that triggering riots and carrying out terrorist acts are the enemy's attempts to undermine the country. He urged the public to remain vigilant.
Also on Sunday, Iranian Parliament Speaker Mohammad Baqer Qalibaf warned that Tehran would regard U.S. and Israeli bases and facilities in the Middle East as "legitimate targets" if Washington takes military action against Iran. His remarks followed media reports saying U.S. President Donald Trump is "seriously considering authorizing a strike" against Iran.
Iranian state media reported that at least 109 members of Iran's security forces have been killed in clashes since the protests began 14 days ago. Meanwhile, human rights groups based outside the country said the number of protesters killed has exceeded 200, though the figure could not be independently verified.
The protests initially erupted over a sharp depreciation of the rial and sweeping subsidy reforms. Iranian authorities have blamed the unrest on foreign-linked agents and sanctions imposed by the United States.
Iranian president says government focusing on ensuring supplies amid protests
