article thumbnail

Smith School lifecycle study highlights importance for algae-derived biodiesel of co-product utilization and optimizing and decarbonizing every step of the supply chain

Green Car Congress

They estimated the fossil energy consumed and GHG emissions released at all stages of the production cycle, including feedstock farming (algae cultivation in open raceway ponds); biomass harvesting and drying; algae oil extraction; feedstock conversion (transesterification of algae oil into biodiesel); fuel distribution; and combustion by end user.

Oil-Sands 236
article thumbnail

State Department releases final environmental impact statement on Keystone XL Pipeline Project; analysis of GHG emissions

Green Car Congress

However, for illustrative purposes, the DOS commissioned study estimated that incremental lifecycle US greenhouse gas emissions from displacing reference crude oils with Canadian oil sands crude oils imported through the proposed Project would be between 3 and 21 million metric tons of carbon dioxide emissions annually.

Oil-Sands 253