To bio or not to bio – are ‘green’ fuels really good for the earth ?
The EU says we need them, some experts say they damage the planet. Who is right ?
From the top of the Greenergy refinery in Immingham you can see across the Humber estuary to Hull. A hum of equipment fills the air, along with a curious smell. Popcorn.
Greenergy processes vegetable oil. It takes the gloopy juice squeezed from inside rape seeds harvested on surrounding Lincolnshire fields, strips out the waste and chemically tweaks the leftovers to make it easier to burn. Greenergy pipes almost 100,000 tonnes a year of its veggie option to ConocoPhillips and Texaco, just across the road, which mix it with their diesel fuel.
Until recently, the operation was viewed as a good thing. Because the oilseed rape plants absorb carbon dioxide, the company says the carbon emissions of the mixed fuel are lower, which helps the fight against global warming. And because oil companies that supply the blend pay less tax, everybody wins. Greenergy is expanding and similar facilities are going up elsewhere.[...]
Full article – Via : ©guardian.co.uk
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