Recently, biodiesel has been receiving increasing attention due to its less polluting nature and also because it is a renewable energy resource. Mostly, biodiesel is prepared from edible oils like soybean, rapeseed and sunflower through out the world. Attempts have been made for producing biodiesel with non edible oils like karanja and jatropha especially in India.

Accurately determining stove use is important in assessing the impacts and dissemination dynamics of improved stoves programmes. It is also a key component in the calculation of emission reductions for trading carbon offsets, understanding

Air quality crisis in cities is attributable mainly to vehicular emissions. Transportation systems are expanding everywhere. This paper examines the pollutant emissions from automobiles and identifies that the capacity of routine monitoring networks and impact assessment in India is usually limited to criteria pollutants.

Anumita Roychowdhury's story on fuel efficiency (