New Delhi, July 28 -- Federal think tank Niti Aayog is examining the lifecycle emissions of electric, hybrid and conventional vehicles to determine which technology is the cleanest, two people aware of the matter said. The move comes at a time when automakers have crossed swords on providing hybrids the same incentives as pure EVs.

The study, which began earlier this month, is likely to be completed over the next few months, the people cited above said on the condition of anonymity. Varying incentives for EVs and hybrids across states have sparked an intense lobbying in state capitals, even as the Centre remains neutral to technologies in the quest for clean mobility.

"The need for such a study arose as contrasting claims emerged after ...