hog fuel

• Possibly from a nickname, hammer hog, of the grinding machine used to create it.
• The word for "chopped/hacked" in Norwegian is hogge (past tense hogde); chopped wood has been hogde. Hogde fuel may have morphed into hogged fuel.

hog fuel (countable and uncountable, plural hog fuels)

1. An unprocessed mixture of coarse chips of bark and wood fiber. Pieces run from a coarse grade of less than 5" to a fine grade of less than 2".