Green Car Congress

SEPTEMBER 1, 2012

Although viewed as a potential target in the global effort to reduce climate change, atmospheric black carbon particles absorb significantly less sunlight than scientists have predicted, according to a new study by an international team of researchers, published in the journal Science. Credit: Cappa et al. Click to enlarge. Earlier post.).

Climate 261

Climate Climate Change Carbon Boston 261

Green Car Congress

FEBRUARY 5, 2015

Comparison of the potential reduction in emissions with the application of lower sulfur 0.5% MARPOL Annex VI sets limits on NO x and SO x emissions from ship exhaust, and prohibits deliberate emissions of ozone-depleting substances. Annex VI defines two sets of emission and fuel quality requirements: global requirements; and.

Pollution 150

Pollution Emissions Mariner Fuel 150

Green Car Congress

MAY 12, 2017

Thus, the researchers concluded, switching from PFI to GDI vehicles will likely lead to a reduction in net global warming. Recent studies have compared emissions of PFI and GDI vehicles, including particle number and mass, gaseous pollutants, and nonmethane organic gas (NMOG) composition for a limited number of compounds. May, Greg T.

Fleet 207

Fleet Engine Global Fuel Economy 207

Green Car Congress

AUGUST 28, 2009

Comparison of annual N 2 O ODP-weighted emissions from the 1990s with emissions of other ODS in 1987 and in 2008. Currently, anthropogenic N 2 O emissions represent the largest contribution to ozone depletion. About one-third of global nitrous oxide emissions are from human activities. Source: Ravishankara et al. The team, A.R.

Ozone 150

Ozone Emissions Climate 2009 150

Green Car Congress

NOVEMBER 23, 2011

In the months following a pulse of NO x in the upper atmosphere, ozone production is stimulated causing a short-term warming. The corresponding reduction in CH 4 , which is an important ozone precursor, leads to a long-term reduction in ozone. —Stratton et al. Many other factors have less quantifiable impacts.

MIT 273

MIT Climate Emissions Ozone 273

Green Car Congress

JUNE 8, 2015

In addition to the direct benefits of storing carbon, wood products have also been shown to have fewer associated greenhouse gas emissions compared with concrete or steel. The main focus of the comparisons is on five environmental impact categories during production, use and recycling. ozone depletion potential (ODP).

Carbon 150

Carbon Personal Store Emissions 150

Green Car Congress

AUGUST 30, 2009

80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year. Rapid expansion of the ethanol industry is creating global supply/demand issues. 40 CFR § 80.27 Pursuant to 40 CFR § 80.27(a)(2): 40 CFR § 80.27(d)

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317

Green Car Congress

JUNE 30, 2013

ADP = abiotic depletion potential; AP = acidification potential; EcoTP = ecological toxicity potential; EP = eutrophication potential; GWP = global warming potential; HTP = human toxicity potential; OCH = occupational cancer hazard; ODP = ozone depletion potential; OnCH = occupational non-cancer hazard; POP = photochemical oxidation potential.

Li-ion 210

Li-ion PHEV Batteries Battery 210