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Sustainable Aviation Fuel | Current Affairs | Vision IAS
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Posted 18 Aug 2025

8 min read

Sustainable Aviation Fuel

Indian Oil's Panipat refinery recently received the International Civil Aviation Organization's certification for SAF production from used cooking oil.

About Sustainable Aviation Fuel (SAF) 

  • SAF, often known as jet biofuel or aviation bio-kerosene, closely resembles conventional jet fuels derived from crude oil . 
    • However, SAF is derived from diverse and renewable biomass sources.
  • Feedstock for SAF Production: Oilseed plants and energy grasses, Municipal solid waste, Industrial carbon monoxide waste gas, Agricultural and forestry residue, Fats, oils, and greases from cooking waste and meat production etc.

Benefits

  • Engine and infrastructure compatibility: Blended with conventional Jet fuel, it can be used in existing aircrafts.
  • Fewer GHG emissions, More flexibility.
  • Barriers: High costs of production than conventional fuels, availability and sustainability of feedstock etc.
  • Tags :
  • Sustainable Aviation Fuel
  • Aviation Fuel

AI-designed Antibiotics

MIT researchers used Generative AI to design completely novel antibiotics from scratch.

  • Researchers have designed novel antibiotics effective against: Neisseria gonorrhoeae (causes drug-resistant gonorrhea), Methicillin-resistant Staphylococcus Aureus (MRSA).

About AI-Designed Antibiotics

  • Methodology: Over 36 million hypothetical compounds were generated using AI and screened computationally.
  • It allowed the researchers to generate and evaluate theoretical compounds that have never been seen before.
  • Significance: Opens new avenues for drug discovery using AI, potential applications for other pathogens like Mycobacterium tuberculosis, etc.
  • Tags :
  • Generative AI
  • AI-Designed Antibiotics

Off-budget borrowing

States to ease off-budget borrowings amid fiscal discipline push.

About Off-budget borrowing (OBBs)

  • Definition: Government borrowing that is not explicitly included in the official budget presented to the public or approved by the legislature. 
  • These borrowings are typically raised through government-controlled Public Sector Undertakings (PSUs), or entities which depend heavily on budgetary support via equity infusions, loans, grants, or subsidies for their operations.
  • Purpose: Keeps borrowings off the fiscal deficit books, creating an impression of prudence.
  • Concerns: Reduces transparency, accountability, and conceals true debt burden.
  • Tags :
  • Budget
  • Off-budget borrowing (OBBs)

Whole-cell Biosensor

Recently, Scientists turned E. coli bacteria into a self-powered chemical biosensor that interface directly with electronics.

  • Biosensor is an analytical device that converts a biological signal into a detectable electrical signal.

About Whole-cell Biosensors

  • They use living microorganisms (e.g., genetically engineered bacteria) which can maintain and repair themselves and operate inside contaminated samples. 
    • Traditional biosensors, such as those based on enzymes, are often fragile, costly and/or have a slow response time in complex environments. 
  • Application: Pollution detection in agriculture, environmental and in biomedical diagnostics, etc.
  • Tags :
  • Whole-cell Biosensors
  • E. coli bacteria

E-Jagriti Platform

10 States along with National Consumer Disputes Redressal Commission have recorded a disposal rate of over 100 percent on E-Jagriti platform in July 2025.

About E-Jagriti platform

  • Launched on: 1st January, 2025
  • Ministry: Ministry of Consumer Affairs, Food, and Public Distribution.
  • Objective: Computerization and networking of all Consumer Commissions at the national, state, and district levels to ensure transparency, efficiency, and speedy resolution of consumer disputes.
    • e-Jagriti enables consumers to file complaints, track case statuses, and access judgments online.
  • Tags :
  • E-Jagriti platform
  • National Consumer Disputes Redressal Commission

Operation Sadbhavana

Indian Army inaugurates ‘Arogyam health & wellness centre’ in Tawang under Operation Sadbhavana.

About Operation Sadbhavana

  • Launched by: Indian Army in 1998 in Jammu & Kashmir.
  • Aim: Apply “healing touch” and Win Hearts and Minds (WHAM) of people affected by terrorism and insurgency.
  • Purpose: Extended Army’s role from border defence & counter-insurgency to development and community welfare.
  • Focus Areas: Education, healthcare, women empowerment, skill development, sports, infrastructure, ecology & environment.
  • Tags :
  • Indian Army
  • Operation Sadbhavana

Asset Reconstruction Companies

ARCs significantly increased their acquisition of retail loan portfolios in the first quarter of FY26.

About ARC

  • It is a company incorporated under Companies Act and registered with RBI under Securitisation and Reconstruction of Financial Assets and Enforcement of Security Interest (SARFAESI) Act, 2002.
  • Objective: To facilitate securitisation and asset reconstruction of non-performing assets thereby earliest resolution and bringing liquidity in the system.
    • ARCs buy the Non-Performing Assets (NPAs) or bad assets from banks and financial institutions so that the latter can clean up their balance sheets.
  • Examples: National Asset Reconstruction Company Limited (NARCL), India Debt Resolution Company Ltd etc.
  • Tags :
  • Asset Reconstruction Companies
  • (SARFAESI) Act, 2002

Mount Elbrus

Recently an Arunachalee Mountaineer has scaled Mt. Elbrus.

About Mt Elbrus (Southwestern Russia)

  • It is highest peak (Elevation: 5,642m) of Caucasus Mountains and a dormant volcano with twin summits.
  • Location: In the western Caucasus Mountains of southwestern Russia.
  • Highest peak of Europe and Russia: Part of the Seven Summits (the highest mountains on each continent).
  • Tags :
  • Mount Elbrus
  • Caucasus Mountains
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