The researcher has already calculated that the cows from just two large dairies could fuel all the public buses in a medium-sized American city.

VOA: standard.2010.02.23

a medium-term phase out of what they call inefficient fossil fuel subsidies, although this would take into account what they call vulnerable groups and their development needs.

VOA: standard.2010.06.27

In 2009, G20 leaders pledged "to phase out and rationalize over the medium term inefficient fossil fuel subsidies while providing targeted support for the poorest".

BBC: Big summit seeks big idea

It recently confirmed it had resumed the conversion of medium enriched uranium into oxide fuel to slow down growth of its stockpile.

BBC: The clock is ticking on Iran

But analysts say it is the smaller- and medium-sized cities that will fuel India's growth in the coming years.

CNN: Flashing big money in India's smaller cities