Video (3min 53sec): The Tide Turns Against BioFuels. "In the last few years biofuels have been viewed as a way to meet rising energy demands as well as climate change goals to reduce harmful emissions.
"At the same time many forms of biofuels are being questioned as effective tools in the fight against global warming. While more recently they're being blamed for the rising global food crisis.
"Climate change activists such as Ben Wikler of avaas.org are skeptical of the benefits of most biofuels being used today."
Ben Wikler: "Biofuels were heralded as this fantastic way to move away from fossil fuels, because unlike fossil fuels, when you use ethanol, for example, in a car it burns less carbon when you're actually driving the vehicle. And also it's a renewable resource..."
