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Aclima partnering with Google to map outdoor air quality with Street View vehicles

Green Car Congress

Google Street View cars can be equipped with Aclima’s mobile sensing platform to measure nitrogen dioxide; nitric oxide; ozone; carbon monoxide; carbon dioxide; methane; black carbon; particulate matter; and Volatile Organic Compounds (VOCs). Sample output from the Denver pilot. Click to enlarge. —Dan Costa, Sc.D.,

Google 150
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The New Supersonic Boom

Cars That Think

Piloting the bullet-shaped Bell X-1 rocket plane in 1947, Chuck Yeager became the first person to exceed the speed of sound while in horizontal flight. The main obstacles will be regulatory and, especially, environmental: Supersonic airliners could be hugely more polluting than their subsonic counterparts. Everett Collection/Alamy.