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

Between 1999 and 2008, world oil prices more than quadrupled in real terms. For oil importers, vulnerability to oil price increases, defined as the share of gross domestic product spent on net oil imports, rose considerably. Considering medians, low-income countries had the highest vulnerability...

Transport-related air pollution is increasingly contributing to environmental health risks in many developing country cities. The social costs of poor urban quality can be significant, making this issue an immediate priority. Long-term measures for dealing with the problem include urban...

Recognition of the problem of indoor air pollution (IAP) and its deleterious effects of health is growing worldwide as efforts increase to understand and articulate the complex health-air pollution linkages. Recent WHO estimates indicate that indoor smoke for solid fuels causes 1.6 million...

Unable to cope fully with steadily climbing world oil prices since mid-2009, many of the 65 countries reviewed in this paper have progressed slowly or even reversed course in reforming pricing of petroleum products. End-user prices in July 2012 varied by two orders of magnitude across the...