Going green: it's all about showing off, says prof

Excuse me while I pop my organic vegetables in the oven and wipe my hands on recycled kitchen roll. I'll only be a moment. Now, I'm ready to tell you all about the reasons why wonderful people like me just love to buy eco-friendly products.

Vehicle-to-grid integration uses cars as batteries

An engineer at the University of Michigan thinks our cars just have it too easy. Instead of sitting idle for hours in parking lots, they should be earning their keep by helping store power for the electricity grid.