Several cities took steps away from car culture this week as a Spanish town offered residents lifetime tram passes in exchange for their cars, and JetBlue launched a set of dubious $4 flights to offset the closing of the 405 freeway in Los Angeles. We also took a look at the green technologies launched by NASA's soon to be extinct space shuttle program and we saw the unveiling of the world's first student-built hydrogen racecar.
In other news, we peered into the future of consumer tech as we counted down our six most desired green upgrades for the Phone 5 and we saw Jawbone launch an app-powered wristband that promotes healthy living. LED technology also lit up our lives as Philips rolled out a beautiful new breed of luminous wallpaper and Chanel kicked of its latest fashion show with a line of LED-studded shoes. Last but not least, we spotted a set of magnetic building blocks that help Honduran families, and this week gadget expert and Engadget founder Peter Rojas closed our Ask a Tech Geek column with a look at six great ways to charge your gadgets with renewable energy. If you're thirsting for more, don't miss Peter's posts about fine tuning your laptop to save energy, vanquishing vampire energy drain, and recycling your old cables and chargers!