You don't have to be Sherlock Holmes to figure out that there's something going on if a train crosses the US-Canada border 12 times back and forth (24 times across the line) without unloading its cargo.
A new Swiss assessment of the environmental impact of biofuels shows that they are actually worse than oil on a variety of important criteria, such as contributing to ocean dead zones and resource depletion.
For years we've been promised the next generation of biofuels, made from waste cellulose, but we have yet to see it replace corn ethanol. Why is cellulosic ethanol moving so slowly? Matt Merritt of POET answers.