Tech, I'd say that'd still be considered biomass, not biofuels. The only mention I've seen with respect to biofuels is included in the proposed research by MnVAP recently funded by Xcel Energy.
Kudos to TR for the easy to find quote in the IBOX:
"The project research centers on designing and fabricating changes in machinery originally used for pulverizing ores and minerals to process and pelletize various feedstocks for renewable energy applications. The resulting pellet products will be used for energy production by co-firing with coal, in combined heat and power (CHP) applications, for gasification, and / or used in biofuel production."
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