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? cancel the launch.

Ozone 127

Ozone Solar Climate Change Climate 127

Green Car Congress

NOVEMBER 10, 2009

A two-year Cooperative Research Program conducted through SAE International to investigate the safety and environmental performance of the low-global-warming-potential (GWP) refrigerant HFO-1234yf for mobile air conditioning (MAC) systems has finished its study. he report is the third SAE report to evaluate the new refrigerant.

Global 186

Global USA Climate Change Japan 186

Green Car Congress

APRIL 2, 2012

Despite the rapidly expanding body of scientific literature on BC, there is a need for a more comprehensive evaluation of both the magnitude of particular global and regional climate effects due to BC and the impact of emissions mixtures from different source categories. The United States contributes about 8% of the global emissions of BC.

Congress 252

Congress EPA Carbon Emissions 252