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NASA satellite images highlight US air quality improvement with reduction of NO2

Green Car Congress

New NASA satellite images released this week demonstrate the reduction of air pollution across the US. After ten years in orbit, the Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite has been in orbit sufficiently long to show that people in major US cities are breathing less nitrogen dioxide.

Ozone 210
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The New Supersonic Boom

Cars That Think

The main obstacles will be regulatory and, especially, environmental: Supersonic airliners could be hugely more polluting than their subsonic counterparts. The best-funded of this group is Denver-based Boom Technology (which also goes by the trade name Boom Supersonic). Will people soon be jetting across the Pacific in three hours?