Overview
- The petroleum ministry’s tests found no major engine damage and forecast up to 2% mileage dips in newer cars and 6% in older models.
- Road transport minister Nitin Gadkari challenged criticism of E20, issuing an open challenge that no vehicle worldwide has suffered E20-related problems.
- Hero MotoCorp, TVS Motor and Shell India issued advisories that pre-2023 vehicles may require fuel-system modifications to use E20 without voiding warranties.
- Social media complaints about 3–6% fuel economy losses and engine wear have fueled consumer calls for mandatory blend choice and clear pump labeling.
- The ministry is drafting guidelines for a higher 27% ethanol blend as refinery upgrades accelerate under India’s biofuel import and emissions targets.