E20 is petrol containing 20% ethanol and 80% petrol. The government has promoted higher ethanol blending as a way to reduce crude oil imports, save foreign exchange and improve India's energy security. India also achieved its 20% blending target ahead of the original 2030 deadline.

Source: [Times of India](https://timesofindia.indiatimes.com/india/government-planning-to-bring-e10-back-clamour-grows-after-top-bureaucrats-remark/articleshow/133351117.cms)

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