Nature World: Biodiesel plants, while "green," are not entirely environmentally sustainable. Now a pair of genetically engineered microbes may be the perfect solution, cleaning up biodiesel plant wastewater while producing ethanol and electricity to help fuel the fuel-making process.
According to Michigan State University (MSU) researcher Gemma Reguera, current bio-diesel plants "pay hefty fees to have toxic wastewater hauled off to treatment plants" - a problem which makes the "green" fuel costly and not entirely...