[MetroMPG]

13 to 17 kmpl is a whopping 30% improvement. That qualifies as a success story!

I have read that in Calcutta/Kolkata, pulse and glide is the norm for urban taxi drivers trying to save fuel. I'm doubtful, but it's an interesting story anyway:

Burn-and-coast might seem a little impractical, but Dr. Frank and his students are adamant supporters. "In Calcutta, all the taxis drive this way. It's economical, but total chaos," Dr. Frank laughs. "Now lets try it with your cars."

Source - Q: How do you get 116 mpg (US) in a Metro XFi? A: Pulse and glide. - MetroMPG.com