Governments across the developing world have made rural electrification a high priority over the last two decades. Yet despite the rapid expansion of the power sector during this period, by 1990, only about 44 percent of the more than 3.3 billion people living in rural areas had access to...

Air pollution has become a serious issue in many Asian cities. A major cause is the expanding motor vehicle population--with growth rates as high as 23 percent in rapidly growing economies such as China. Experience worldwide has shown that the use of clean fuels (low-lead or unleaded gasoline...

In response to emerging epidemiological evidence of the toxicity of diesel vehicular emissions, there is growing interest in substituting conventional diese with much cleaner natural gas in cities where ambient concentrations of particulate matter are markedly higher than what is internationally...