Jatropha

Airline teams up with Boeing to trial jatropha-based fuel with a view to starting biofuel-powered services to Costa Rica

Controversial fuel crops linked to rising food prices and hunger, as well as increased greenhouse gas emissions

Friends of the Earth says plant does not cut emissions and major companies are abandoning investments

Alliance with CNPC aimed at making biodiesel and green jet fuel from China feedstock

Wing attachments to save airline 7m litres of fuel annually, 19 per cent more than expected

Christian Aid study claims biofuel targets are contributing directly to deforestation, displacement of farmers and poor labour rights in developing countries

A case of seed funding to pay for seeds

Jatropha oil from Africa used to develop biofuel virtually indistinguishable from traditional jet fuel

UK firm claims cross-fertilisation programmes are on track to deliver significant increases in bio-oil yields

Indian firm announces plans to invest $480m in giant jatropha biofuel plantation