Kerala has ordered fuel quality checks amidst motorist concerns, while public sector oil firms have denied the claims. Political parties have questioned Karnataka's testing methods.
South India faces controversy as Karnataka claims petrol has excess ethanol above limit
A controversy has emerged in South India over ethanol blending in petrol, with Karnataka alleging ethanol content exceeds the 20 percent limit, reaching up to 30 percent. Karnataka has called for independent testing after multiple locations showed excessive blending.

