We may not think of it as much when gas is cheap, but there are many economic and environmental reasons to transition away from fossil fuels. See the biofuels reactor that RTI International researchers are using to create gasoline-like hydrocarbon fuels from plant material and the challenges of creating biofuels.
Wood
Week in Review: The Scientific Lens
UNC-TV Science Week in Review: June 13, 2013
The Scientific Lens