Climate Oklahoma City Personal Pollution 
Cars That Think
AUGUST 16, 2021
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.
Plug In Partners
JUNE 27, 2006
NGO's The campaign initially began by focusing on the 50 largest cities in the U.S., A large coalition has formed around the issues of national security, combating climate change, saving on fuel costs and increasing business for American agriculture. but it has grown far beyond this point.
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