Answer- D
Hindustan Petroleum Corp Ltd (HPCL) has initiated a pilot study on vehicles utilizing E27 fuel and Ethanol Blended Diesel Fuel.
This pioneering research program by an Oil Marketing Company in India corresponds with the country’s plan to promote ethanol blending in gasoline by 2025.
HPCL will also evaluate ethanol-diesel trials on passenger cars, for a targeted mileage accumulation of 20,000 km initially.
Hence, option 'D' is correct.