Environment Exhaust Ozone United States 
Green Car Congress
JANUARY 8, 2023
Emissions from automobile exhaust systems have decreased in recent years due to the introduction of cleaner fuels and new control technologies on internal combustion engines, as well as increases in numbers of hybrid and electric vehicles.
Green Car Congress
OCTOBER 1, 2019
Freight transportation is a pillar of the US national economy, but while long-haul trucks account for less than 6% of the vehicle miles traveled over US highways, they account for about 40% of the emissions of air polluting particulate matter and about 55% of nitrogen oxides, the precursor to ozone in the atmosphere, the study said.
Green Car Congress
AUGUST 29, 2013
Researchers from MIT’s Laboratory for Aviation and the Environment have concluded that ground-level PM 2.5 Researchers from MIT’s Laboratory for Aviation and the Environment have concluded that ground-level PM 2.5 1,000 to 21,000) deaths due to changes in ozone concentrations. 900 to 11,000) ozone-related early deaths per year.
Green Car Congress
FEBRUARY 5, 2020
NO x is a precursor for both ground level ozone and secondary PM 2.5 which are regulated under the National Ambient Air Quality Standards (NAAQS) because of their adverse effects on human health and the environment.
Cars That Think
NOVEMBER 16, 2021
Everyone solemnly agreed, again, to follow the science, which has shown in exhaustive detail that humanity will suffer from heat, fire, floods, and droughts if the world warms beyond 1.5° Wanser: We start from the point of view of public safety, which is a concept in international environmental law and environmental law in the United States.
Green Car Congress
OCTOBER 23, 2012
Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The United States and California state averages shown are based on total on- and off-road use. SOAs are tiny particles that are formed in air and make up typically 40% to 60% of the aerosol mass in urban environments. Gentner et al.
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