In order to avoid irreversible damage to global ecosystems, new ‘green’ technologies are needed, some of which are nowhere near commercial maturity. In these cases, governments may create temporary rents to make investments ‘artificially’ attractive, but the creation of such rents...

The socioeconomic wellbeing of urban areas depends on a well-functioning transportation system that makes it easier for people to access goods and services. Whereas most urban areas in emerging economies are expanding in size and human population, high motorisation and inadequate public...

Production of biodiesel is technologically simple, and the process of value addition – from the cultivation of oilseeds to oil extraction and transesterification – is straightforward. There is, however, great variation in the socioeconomic configuration of this value chain. In some regions...