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The rapid expansion of India's aviation sector brings with it pressing environmental challenges that cannot be overlooked. As passenger and freight traffic continues to surge, the aviation industry finds itself at a crossroads, where the necessity for sustainable practices becomes increasingly evident.

Sustainable aviation fuel (SAF) emerges as a long-term strategic imperative, a sentiment echoed by Balasaheb Darade, the founder and managing director of New Era Cleantech. Despite its current high costs, Darade draws parallels to the solar power industry's trajectory, suggesting that SAF's price could decline as technology and policy support advance.

Darade emphasizes the need for a comprehensive approach to SAF adoption, advocating for policy support, carbon credits, and innovative technologies to harness domestic feedstock. This strategy not only promises to make SAF economically viable but also to integrate rural farmers into the supply chain, thereby boosting the agrarian economy. As the aviation sector continues to grow, it is projected that transport emissions will increase significantly, necessitating a shift toward cleaner fuel alternatives.

A recent Deloitte study outlines a substantial increase in passenger and freight traffic by 2030, highlighting the urgency of transitioning to sustainable fuel sources. Current projections indicate that aviation's share of transport emissions could rise from 5% to between 8% and 10% by the end of the decade. With aviation turbine fuel demand expected to nearly double, the significance of SAF as an alternative cannot be overstated.

The challenge lies in the commercial viability of SAF, especially for low-cost carriers operating on tight margins. SAF, which currently trades at a premium to conventional jet fuel, presents a significant hurdle that could lead to increased costs for airlines and ultimately passengers. The International Air Transport Association (IATA) has noted that the average cost of SAF in 2024 is projected to be approximately three times that of traditional jet fuel, a disparity that could widen due to compliance fees related to environmental mandates.

Deloitte's projections suggest that India could potentially produce 8 to 10 million tonnes of SAF by 2040, but achieving this goal hinges on effective policy measures to mitigate high costs. Darade stresses the importance of collaboration among stakeholders to find solutions that lower production expenses. He proposes a phased introduction of SAF, particularly on international routes, to give India's domestic production time to develop while ensuring affordability through coordinated subsidies and infrastructure investments.

The Indian government's commitment to SAF is evident, with ambitious blending targets set for international flights. However, experts caution that achieving these targets will require a multifaceted approach, addressing feedstock aggregation, financing, and regulatory clarity to align production with demand.

India's potential to produce SAF from abundant local feedstock sources, such as agricultural residues and used cooking oil, positions it as a potential leader in the global SAF market. By developing domestic production capabilities, India could not only reduce reliance on imports but also create valuable export opportunities, enhancing its competitive advantage in the international arena.

In conclusion, India's pursuit of sustainable aviation fuel embodies a critical opportunity to reconcile aviation growth with environmental stewardship. With targeted government support, investment in infrastructure, and active engagement of rural communities in the feedstock supply chain, the higher costs associated with SAF can be effectively addressed. While challenges remain, the consensus among industry experts is clear: transitioning to SAF is essential for achieving climate goals without stifling the growth of the aviation sector.