Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us -- it's the Week in Green. What seems more futuristic: flying cars or self-driving cars? They both sound a bit like science fiction, but they're both getting closer to becoming a reality. In the latest chapter of Google's efforts to develop a car that uses video cameras, radar sensors and lasers to navigate through traffic, the state of Nevada just granted Google the world's firs
