Remove 2019 Remove Gas Remove Oil Remove Ozone
article thumbnail

Monitoring shows plumes of carcinogenic formaldehyde in neighborhoods along Houston’s Ship Channel

Green Car Congress

Air pollution monitoring by the Houston Health Department in 2019 and 2020 recorded levels of formaldehyde, a known carcinogen, along the Houston Ship Channel that pose potential health risks to surrounding neighborhoods. parts per billion. Long-term exposure to formaldehyde can cause certain types of cancers.

article thumbnail

Northwestern/Princeton study explores air quality impacts of aggressive conversion to EVs

Green Car Congress

coal, oil, natural gas, and biomass). Among the findings: Summer surface ozone (O 3 ) decreases in most locations due to widespread reductions of traffic NO x emissions. Across scenarios, we found the more cars that transitioned to electric power, the better for summertime ozone levels. Seasons and times of day.

article thumbnail

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Green Car Congress

CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019). NO x is a precursor for both ground level ozone and secondary PM 2.5 Chart: MECA. gram per brake horsepower hour (g/bhp-hr) on the heavy-duty FTP certification cycle and approximately 0.2

Emissions 291
article thumbnail

California Air Resources Board posts revised draft of strategy to reduce “Super Pollutants”

Green Car Congress

The major sources of methane in California are livestock (~30% of the state’s methane emissions), followed by landfills and oil and gas production. Methane is 72 times more efficient at trapping heat in the atmosphere than CO 2 , which is the most prevalent global warming gas. CO 2 remains in the atmosphere for up to a century.

Pollution 150
article thumbnail

Test of Planet-Cooling Scheme Could Start in 2022

Cars That Think

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 117