Here's Chris Holmes talking about the proposed placing for John Laing Environment Assets (JLEN):
http://jlen.com/investors/media/
(There is a long disclaimer to click through first!)
Also, more detail in this highlights from their Capital Markets Day on AD (anaerobic digestion)here, provides even more detail.
https://www.piworld.co.uk/2018/07/17/john-laing-jlen-capital-markets-day-june-2018-highlights/