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? Research takes a long time.

Ozone 119

Ozone Solar Climate Change Climate 119

Green Car Congress

APRIL 3, 2013

Higher octane fuels can lead to higher compression ratios which in turn can lead to more efficient gasoline engines and reduced fuel consumption. With turbocharged gasoline engines, there is a double benefit: higher compression ratios and increased boost. Earlier post.) such a fuel would result in equivalent emissions performance.

EPA 255

EPA Fuel Parts Gasoline 255

Green Car Congress

SEPTEMBER 25, 2016

Among the findings of the report, “HFC-134a phase-out in the Chinese light-duty motor vehicle sector”, was that, considering the social cost of CO 2 e, up to 1 trillion RMB in costs (US$150 billion) required to address climate change could be avoided through 2050 by transitioning to low-GWP alternative MACs.

China 150

China Ozone Chinese United States 150

Green Car Congress

JUNE 27, 2017

With colleagues at the Indian Institute of Technology-Gandhinagar (IITGN) and the University of Wisconsin at Madison, Michael Bergin, professor of civil and environmental engineering at Duke University and lead author of the study, measured the decrease in solar energy gathered by the IITGN’s solar panels as they became dirtier over time.

Solar 218

Solar Energy Global Production 218

Green Car Congress

NOVEMBER 29, 2016

SLCPs may account for an estimated 40% of global warming, increasing the impacts of climate change. Car and truck engines used to be the largest sources of anthropogenic black carbon emissions in California; the existing air quality policies will virtually eliminate black carbon emissions from on-road diesel engines within 10 years.

Pollution 150

Pollution California Emissions Waste 150

Green Car Congress

FEBRUARY 11, 2014

Many of the strategies employed to reduce GHG emissions will also work to meet the national ambient air quality standard for ozone in 2032. However, to achieve the needed transportation GHG reductions and the corresponding 2032 ozone standards, the market uptake of advanced technologies will need to be accelerated. Vehicle technology.

Transportation 273

Transportation Emissions California Ozone 273

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines.

Fleet 207

Fleet Engine Fuel Economy Global 207