Cars That Think

DECEMBER 19, 2021

Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather?

Ozone 118

Ozone Solar Climate Change Climate 118

Green Car Congress

JUNE 8, 2011

New research by a team from the US, China and Japan focusing on the Houston, Texas area suggests that widespread urban development alters weather patterns in a way that can make it easier for pollutants to accumulate during warm summer weather instead of being blown out to sea.

Houston 247

Houston Pollution Wind 2000 247

Green Car Congress

JANUARY 27, 2015

The ACES results are expected to play an important role in future risk reviews of diesel engines by international and US agencies. These results have appeared in more than 260 comprehensive reports published by HEI, as well as more than 1,000 articles in the peer-reviewed literature.

Exhaust 150

Exhaust Diesel Engine 2007 150