Fossil fuel algae: key to new biofuels?

The new technologies that change our world only seem to happen overnight. Really, they're built on constantly pushing forward scientific research. 

This ethanol refinery is self-powered

A central issue of the food vs. fuel debate has long been the use of farmland for growing crops for biofuels.

Biofuels could be less green than fossil fuels, study shows

Biofuels may not be the greenest option for airlines after all, says MIT, and can sometimes result in higher greenhouse gas emissions than traditional fossil fuels.