More than 40% of US grain is now used to produce biofuels, which are used as substitutes for gasoline in transportation. Biofuels have been blamed universally for recent increases in world food prices. Many studies have shown that these energy mandates in the US and EU may have a large (30-60%)...

Angesichts endlicher fossiler Energieressourcen und eines drohenden Klimawandels stellt sich die Frage, welchen Beitrag der Einsatz der Wasserstofftechnologie zur Versorgungssicherheit und zur Reduzierung der Emissionen von Kohlendioxid (CO2) beitragen kann. Wasserstoff stellt keine primäre...

South Africa has a nascent biofuels industry and emerging regulatory framework, and although water scarcity limits local supply potential, that of the southern African region appears substantial. This paper describes the results and modelling approach of an assessment of potential biofuel demand...