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Nissan's Google Glass rival keeps you connected to social media [w/Video]

Nissan will premiere a wearable heads-up display (HUD) at next week's Tokyo motor show. The Google Glass-like 3E prototype can connect to the Internet in real-time, allowing users to overlay information onto the lens, record projected images and communicate with others by sending information to their device. This is likely to include vehicle performance analysis and the driver's vital signs as well as social media feeds for increased connectivity if its recently released Nismo smartwatch is anything to go by.

Winners and Losers: Porsche sales pop in April

Porsche sales spiked 82 percent in April and are up 46 percent for the year, parking the luxury automaker among the top five winners so far for 2011. The redesigned Cayenne made the biggest contribution, with sales up an eye-popping 384 percent from last April and 141 percent for this year. Porsche counted 1,578 copies of the Cayenne sold in April, versus 326 the year before.

EPA makes it official--greenhouse gases are pollutants

On the eve of an international climate summit, the EPA on Monday formally declared greenhouse gases to be dangerous pollutants, strengthening President Barack Obama's hand and laying the groundwork for a new 35.5 mpg standard for light vehicles. The finding is likely to have a greater impact on electric utilities, oil companies and manufacturers than on the auto industry. The EPA's scientific finding reported that these gases “are the primary driver of climate change,” which can intensify heat waves and increase ozone pollution linked to asthma and other respiratory illnesses.