Step 1: Check Wikipedia for general data; to have a broader understanding of what we're facing.
Step 2: Narrow down our research on the web to different energy sources. (http://www.energy4me.org/energy-facts/)
Step 3: We check up the facts from "energy4me.org. (2014). Energy source comparison." To check on continuity on different sites.
Step 4: We collate our data into a google drive spreadsheet and analyse it, to check which is the best.
Step 5: Elaborate and cite our discussion, conclusion and data.