This paper revisits the recent developments in biofuel markets and their economic, social and environmental impacts. Several countries have introduced mandates and targets for biofuel expansion. Production, international trade and investment have increased sharply in the last few years. However,...

We analyze the effects of changes in the technology-mix, fuel-mix and fuel intensity on NOx emission intensities during 1985–1995. Interfuel substitutions were mainly responsible for observed changes in NOx emission intensities in South Korea, while efficiency improvements in thermal power...