British ale yeasts don't attenuate as much as american ale yeasts. In British ales this helps with the malty character and a tad of sweetness. The American Ale yeasts (like Chico), attenuate well and produce a drier beer.
Something is always fermenting....
"It's Bahl Hornin'"
Kegged: Sour Saison, Pale Ale, Aggie Ale, Firestone DBA, De Koninck Blonde
Bottled: Belgian Quad (Grand Reserve), Derangement (Belgian Dark Strong)
On Deck: Pliny the Younger