The gap between what markets pay for light Texas crude and Alberta's heavy blend has risen to $ 30 US per barrel from $ 10 last year, largely because of the pipeline capacity crunch. (macleans.ca)
Closing the older nuclear plants is not an option for many EU countries, which are facing an energy capacity crunch as other types of plant are being closed or mothballed because they can't cover their operating costs, or to meet stricter environmental regulation. (scientificamerican.com)
Techniques such as these will be key to fighting capacity crunch, says Ellis. (newscientist.com)