Hog fuel is a term used to describe a
a) very poor quality of fuel oil used as boiler fuel in sawmills
b) mixture of waste wood and bark used as boiler fuel in a sawmill
c) low calorific value waste fuel used as boiler fuel in oil refineries
d) low calorific value waste fuel used as boiler fuel in meat processing plants
e) waste product from hog barns used as boiler fuel in meat processing plants
Answer: B