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 if your car was powered by sunlight? It sounds like a dream come true -- but that's exactly what a team of Dutch engineering students have cooked up. The Stella Lux is a four-seater electric car with a powerful solar roof that actually generates more energy than the vehicle uses. In other futuristic transportation news, Local Motors just unveiled plans for the world's first production line of 3D-printed cars. The ultra-customizable vehicles include a sporty racer and a beach-ready buggy. Automakers and tech companies around the world are fervently working on self-driving cars, and it turns out the technology could be a tremendous boon for the environment. A new study shows that autonomous robocabs could cut greenhouse gas emissions by 94 percent. And this week, two electric airplanes made history by successfully flying across the English Channel.