Been lookin' for an air-powered 1999 Porsche Boxster? Here's one, called the MIIN-AER. AutoblogGreen found it at the third annual Alt Car Expo, which starts today in Santa Monica. Over in Paris, they're getting ready for a VW Passat BlueTDI sedan and wagon, while Detroit is probably already salivating over the 550 new jobs that GM says the Volt will bring.