According to the World Health Organization...at least 80% of Indians used solid fuels for cooking and the resultant pollution has killed over 400,000 people...Envirofit India—founded by Shell Foundation...part of the Shell Group, and Envirofit International, a US-based not-for-profit...—...claims its stoves facilitate fuller combustion, thereby cutting toxic emissions by 80% and halving fuel use...Envirofit plans to introduce stoves below Rs500 for the 30 million below poverty line households in India.