Using plant-based proteins to supplement fish meal has been a part of aquaculture for decades. Fish feed comes from harvesting fish species such as anchovies, herring, menhaden, and sardines. The

The primary starting material for aluminum refining is bauxite. Since aluminum is a reactive element and does not occur naturally, aluminum-rich ore needs to be refined to produce alumina and

According to a report from the Energy Information Administration, operating margins for corn-based fuel ethanol plants decreased to a multi-year low in 2019. This was due in part because production