Methanol—a colourless liquid that can be made from agricultural waste—has long been touted as a green alternative to fossil fuels. But it’s toxic and only has half the energy as the same volume of gasoline. Now, Chao-Jun Li and colleagues report they’ve created a potentially cheap way to use sunlight to convert methanol to ethanol, a more popular alternative fuel that’s less harmful and carries more energy.
More at Science Magazine (by Robert F. Service)
Image: Chao-Jun Li (Laurie Devine/MCGILL UNIVERSITY)