New Delhi, Nov. 7 -- Congress leader Udit Raj on Saturday called for transparency in ethanol blending in petrol amid allegations of ethanol blending levels exceeding E20 in Karnataka, saying consumers should not be misled about the composition and pricing of fuel.

Raj said there was a need to ensure transparency in the blending process, pointing out that petrol and ethanol have different prices. He also referred to complaints about vehicle engine problems, urging that consumers' interests be protected.

Speaking to ANI, the Congress leader said, "Ethanol should be blended with transparency. The prices of petrol and ethanol differ; there should be no deception."

Referring to complaints received in recent days, Raj said, "A few days ago, ...