The Conservative Peter Bone and allies want seven hours set aside to debate the amendments on the press, and it's quite possible the debate may extend into the small hours - so pity Labour MP Lilian Greenwood, who has an adjournment debate on benefit changes in Nottingham at the end of business.
By tapping some 20 scientists at research centers across Europe, Statkraft eventually found a membrane that can work for a small-scale plant, though it's not quite enough for a larger operation.