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.
Campaigners say action on climate change is in jeopardy if MPs such as climate science denier John Redwood are granted key posts.
British Airways owner IAG led the list of buyers last year, analysis shows.
The protesters attempted to draw attention to the urgent need for large-scale climate action and pressure Democrat legislators to act.
As heatwaves, heavy rainfall, and flooding hit countries worldwide, climate deniers and those obstructing climate action deny or downplay extreme weather’s climate connection.
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