Biogas filter based on local natural zeolite materials| Improvement of the performance of graphite felt electrodes for vanadium-redox-flow-batteries by plasma treatment| Characteristics of waste plastics pyrolytic oil and its applications as alternative fuel on four cylinder diesel engines| Woodfuel in Rwanda: impact on energy, poverty, environment and policy instruments analysis| Pre-treatment of used-cooking oil as feed stocks of biodiesel production by using activated carbon and clay minerals| Soybean opportunity as source of new energy in Indonesia| Financial measures for electric vehicles: supporting the integration of renewable energy in the mobility sector in Germany| Assessing the current Indonesia's electricity market arrangements and the opportunities to reform| Evaluation of cathode gas composition and temperature influence on alkaline anion exchange membrane fuel cell (AAEMFC) performance| Optimization of concentration and EM4 augmentation for improving bio-gas productivity from jatropha curcas linn capsule husk