Overview

• Auto makers, oil industry groups and ARAI said controlled tests show only a 2–4% drop in fuel efficiency with E20 and reported no vehicle breakdowns linked to the blend.
• SIAM stated that manufacturers will honor warranties for vehicles using up to E20 without exceptions, while urging motorists not to rely on social media claims of large mileage losses.
• ARAI said ethanol-blend studies conducted in 2010, 2016 and 2021 informed the rollout, though full reports remain unpublished due to OEM confidentiality, with a limited release under examination.
• The PIL by advocate Akshay Malhotra seeks mandatory ethanol‑free petrol at all pumps, clear ethanol labeling at dispensers and a nationwide study on mechanical degradation and efficiency loss in non‑compliant vehicles.
• The hearing is listed before a bench led by Chief Justice B. R. Gavai, as industry groups highlight forex savings, farmer payments and lower CO2 emissions from blending, including projected 2025 savings of ₹43,000 crore.