Producing biofuels from a fast-growing grass delivers vast savings of carbon dioxide emissions compared with petrol, a large-scale study has suggested. US researchers also found that switchgrass-derived ethanol produced 540% more energy than was required to manufacture the fuel.
One acre (0.4 hectares) of the grassland could, on average, deliver 320 barrels of bioethanol, they added.
Record LNG exports to Europe pushing up prices for U.S. consumers even more than forecast.
Off-shore industrial boats illegally harvest thousands of tonnes of small fish vital to the marine food web in Guinea-Bissau, a DeSmog investigation with The Guardian reveals.
First Nations are furious, environmentalists feel betrayed, oil companies are demanding more, and the clock is ticking.
The Mailโs events business in the Middle East provides a quarter of its revenue. A previous Telegraph bid was rejected over petrostate influence fears.
