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.
Coal, oil and gas have been killing people for centuries. Weโre still paying for it.
Unsubstantiated allegations against top climate advocates part of campaign to โdiscredit and defundโ civil society actors in EU, says transparency campaigner.
San Francisco-based developers launch publicity drive to soothe local concerns over giant project.
Farageโs new directors reflect his anti-science views.
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