The sweet smell of self sufficiency and profit wafted over the office after I read about a Thai pig farmer who is harnessing methane from his drove/farrow/litter/doylt/sounder or herd of pigs to make electricity, also in Planet Ark today.
I like collective nouns almost as much as I like gazing out of the window wollgathering. My favourites are an exultation of Larks, a murder of Crows and a Parliament of Rooks. Possibly in the biofuel industry a sheaf of ethanol producers; a syphon of straight veg oil users; a boiling or clarification of biodieselers... any more?