Humanity's addiction to fossil fuels has changed the composition of our atmosphere ... Over the last 20 years or so, biodiesel and other biofuels have been touted as a potential replacement ...

The production of carbon neutral fuel - biodiesel - from cooking oil, animal fat and plants. At a biodiesel refining plant in Motherwell, 35,000 tonnes of old cooking oil and animal fat is ...

SAO PAULO (Reuters) - Declining vegetable oil prices are clearing the way for Brazil to increase its mandatory biodiesel blend into diesel to 15%, up from 14%, Daniel Amaral, the director of ...