Landfills create methane gas as organic waste decomposes. Numerous refineries worldwide are now capturing that gas, a valuable commodity, and ... more

A laborer works at a "Yaretanol" factory in Venezuela. Yaretanol is a fuel made from the waste products created when producing “Casabes"—flat breads ... more

A sticker is seen on the car of a team that completed a "Grease to Greece" rally from London to Athens. Fuelled only by used cooking fat, eight teams ... more

Cuban pig farmer Daniel Garcia carries a bag with biogas for his neighbors. Garcia is turning pig manure into a biogas that he and his neighbours use ... more

A prison warden watches as inmates work on underground biogas digesters which connect to 24 toilets at the Nsinda prison near Kigali, Rwanda. Once ... more

Using a process not unlike photosynthesis, US-based fuels specialist Joule has partnered with Audi to develop two new e-fuels using different waste ... more

Professor Martin Tangey, Director of Edinburgh Napier University Biofuel Research Centre, looks at a glass of whisky beside a jar of butanol made ... more

Drinks containing lots of sugars, such as soft drinks and beer, have the potential to be refined into fuels. In fact, one American company has ... more

Kenyan slum dwellers use the community cooker in the Kibera slum, one of the largest in Africa, in Nairobi. The cooker uses trash recovered from ... more

A worker shovels rice husks that will be used to fire the cement kiln at Siam City Cement's plant in Thailand's Saraburi province, northeast of ... more