1
Future energy : improved, sustainable and clean options for our planet /
Book
2
Fuel : an ecocritical history /
Book
Table of Contents 
3
Nachhaltigkeit von Energiesystemen : Kriterien und Bewertungen /
Book
4
Algae energy : algae as a new source of biodiesel /
Book
5
Environment, energy and climate change II : energies from new resources and the climate change /
Book