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Unhealthy fuel

karnataka has become the first state in India to introduce ethanol-blended diesel to be used for transportation, amidst concerns about the feasibility of the technology. The 7.7 per cent blend of ethanol-diesel will be used by buses of the Karnataka State Road Transport Corporation (ksrtc) and Bangalore Metropolitan Transport Corporation.

"Ethanol is a good option as it is available in the state,' says Anand Rao of ksrtc's environmental cell. Experts, however, are sceptical about blending ethanol with diesel. "Ethanol is good for petrol engines but not for diesel engines. However, since ethanol can be produced on a large scale in the country, it can be utilised by treating the blend and engine modification,' says H B Mathur, an expert on ethanol technology. He, however, contends that addition of ethanol leads to the problem of

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