Green Car Congress
MARCH 26, 2019
Catalytic converters have been used in the US since the 1970s as a way to clean up pollutants from vehicle exhaust. As cars have become more fuel-efficient, however, they use less energy and the temperature of the exhaust gases is lower, which makes it harder to clean up the pollutants. —Yong Wang. Hensen, Yong Wang & Abhaya K.
Green Car Congress
NOVEMBER 5, 2018
Yale researchers have found that organic aerosols—a type of air pollution—are much more complicated than previous studies indicated. Using high-powered equipment to analyze air samples, the researchers were able to get a detailed look at the molecular makeup of organic aerosols, which have a significant presence in the atmosphere.
Green Car Congress
JANUARY 27, 2015
The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) —ACES report. —ACES Review Panel.
Green Car Congress
MAY 23, 2014
A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. —Platt et al.
Baua Electric
APRIL 19, 2024
However, the cars still create plenty of exhaust noise and smell, which is still poisonous to the children riding behind these polluting engines. This article is updated from a previous version of the article which described the pressure being put on Disney to go all-electric.
Green Car Congress
JULY 14, 2017
Carbonaceous PM is made up of black carbon, primary organic aerosol (POA) and—especially—secondary organic aerosol (SOA), which is known to contain harmful reactive oxygen species and can damage lung tissue. Carbonaceous emissions/secondary organic aerosol formation from modern diesel and gasoline passenger cars. (a)
Green Car Congress
MAY 23, 2014
The claim that emissions from diesel engine exhausts from road transport are the main cause of lung cancer in humans thus “ needs to be seriously challenged, ” the paper concluded. —“Diesel Engines Exhausts: Myths and Realities”. The amount of diesel exhaust people are exposed to varies greatly.
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