Readers of Machine Design might recall one of our recent articles in which we described a new way of automating the process of getting oil out of algae for use in biofuels. OriginOil, the folks who came up with this process, have put out a new video that actually shows the algae oil separating from the biomass. You can watch it ...

  There has been yet another study that has concluded that corn-based ethanol is bad news from a variety of angles. To quote the summary, The study looked at factors such as the energy needed to produce a renewable fuel source compared with how much energy is produced, the impact on soil fertility and effects on food supply when fuels ...