Definition: A biofuel is a fuel made from recently living biomass, such as crops, algae, microorganisms, agricultural residues, food waste or manure. Common examples include bioethanol, biodiesel, ...

Biofuels are often promoted as a cleaner alternative to fossil fuels, but their environmental and social impacts are far from straightforward. Just Have a Think examines the complexities of biofuel ...

Biofuels experts discuss corn and cellulosic ethanol, and sustainable aviation fuels. We use a lot of biofuels in the US -- corn ethanol now makes up 10% of every gallon of gasoline. Ethanol made from ...

This paper discusses the environmental, economic and social impacts of first-generation biofuels in the Midwest. It analyzes how policies promoting corn- and soy-based biofuels—often funded by ...