Story perspectives

E20 Fuel Contamination Detected in 250+ Samples Nationwide

8/17/2026

Summary

Story summary

Maruti Suzuki, Tata Motors and Mahindra warned that E20 fuel samples showed contamination.
Testing of 250+ samples from 21 states found chloride up to 570 ppm and moisture up to 13,000 ppm, far above limits.
Petroleum Minister Hardeep Singh Puri said only four contamination cases were confirmed, noted that the Society of Indian Automobile Manufacturers withdrew its July 28 letter pending verification, and reported that state-run oil marketers claim nationwide tests meet standards.

History

Historical Context

India’s 1998 Delhi fuel scandal, when the Petroleum Ministry detected adulterated gasoline, sparked nationwide alarm and highlighted tax-driven adulteration common across South Asia. The episode preceded later incidents, such as 2024 tests on Maruti Suzuki, Tata Motors and Mahindra vehicles revealing chloride up to 570 ppm and moisture 13,000 ppm. Earlier that year, mustard-oil adulteration killed 60 people.

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Story summary

Maruti Suzuki, Tata Motors and Mahindra warned that E20 fuel samples showed contamination.
Testing of 250+ samples from 21 states found chloride up to 570 ppm and moisture up to 13,000 ppm, far above limits.
Petroleum Minister Hardeep Singh Puri said only four contamination cases were confirmed, noted that the Society of Indian Automobile Manufacturers withdrew its July 28 letter pending verification, and reported that state-run oil marketers claim nationwide tests meet standards.

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