新加坡征收可持续航空燃料附加费，航空业减碳持续推进

Investment Rating - The report maintains a "Positive" investment rating for the environmental sector [2]. Core Insights - The environmental sector has shown a decline of 1.41% as of March 6, 2026, underperforming the broader market, which saw a decrease of 0.93% [3][7]. - The report highlights the increasing focus on green transformation and carbon neutrality in government policies, emphasizing the need for comprehensive ecological governance and the development of a green low-carbon economy [3][27]. - The introduction of a sustainable aviation fuel (SAF) surcharge in Singapore aims to promote carbon reduction in the aviation industry, with plans to increase SAF usage to 1% of total fuel by 2026 and 3%-5% by 2030 [22][19]. Market Performance - The environmental sector's performance is lagging behind the market, with specific sub-sectors like water management and waste management showing mixed results [3][10]. - The report notes that the aviation fuel export volume from China is projected to exceed 20 million tons by 2025, with a compound annual growth rate of 26.3% from 2021 to 2025 [15][19]. Industry Dynamics - The report discusses the approval of the "Ecological Industrial Park Construction Standards" by the Ministry of Ecology and Environment, which aims to standardize the construction and operation of ecological industrial parks [27]. - It also mentions the establishment of independent export tax codes for bio-aviation fuel and hydrocarbon-based biodiesel, marking a significant step in promoting green energy transition in China [19][20]. Investment Recommendations - The report suggests that the energy-saving and environmental protection sectors, along with resource recycling, are expected to maintain high levels of prosperity. It recommends focusing on companies like Hanlan Environment, Xingrong Environment, and Hongcheng Environment, while also suggesting attention to companies such as Wangneng Environment and Junxin Co [44].