Fuel Made From Cow Dung Is Powering India's Cheapest Bus Service, at Just ₹1 Per RideWest BengalBy Sohini Dey01 Apr 2017 12:26 ISTKolkata is the first city in the country where the green biogas bus has been launched, with 15 more slated to start plying by the end of this year.Read More
/english-betterindia/media/post_attachments/uploads/2017/04/Biogas-bus.jpg)