Green Car Congress

JUNE 12, 2023

Unlike exhaust from burning coal and gas that contains CO 2 , burning hydrogen emits only water vapor and oxygen. Hydrogen is not a greenhouse gas, but its chemical reactions in the atmosphere affect greenhouse gases such as methane, ozone, and stratospheric water vapor. Sand et al.

Hydrogen 435

Hydrogen Global Ozone CO2 435

Green Car Congress

JANUARY 28, 2014

Five technology paths for very-low-NO x and GHG emissions from heavy-duty natural gas engines. The “Pathways to Near-Zero-Emission Natural Gas Heavy Duty Vehicles” report, authored by GNA on behalf of Southern California Gas Co. An 80% reduction of GHG emissions is targeted for 2050, relative to 1990 levels.

Gas 257

Gas Emissions Climate California 257

Green Car Congress

MAY 16, 2014

the final version of the proposed First Update to the Climate Change Scoping Plan (First Update). The AB 32 Scoping Plan, which guides development and implementation of California’s greenhouse gas emission reduction programs. The California Air Resources Board (ARB) has released. Earlier post.). —First update.

Climate Change 218

Climate Change Climate California Ozone 218

Green Car Congress

NOVEMBER 23, 2011

Aviation climate change impacts pathway. A new study by researchers at MIT has found that factoring the non-CO 2 combustion emissions and effects into the lifecycle of a Synthetic Paraffinic Kerosene (SPK) aviation fuel can lead to a decrease in the relative environmental merit of the SPK fuel compared to conventional jet fuel.

MIT 273

MIT Climate Emissions Fuel 273

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. Even at the height of ODS emissions in the 1980s, annual anthropogenic N 2 O emissions were the fourth most significant. About one-third of global nitrous oxide emissions are from human activities.

Ozone 150

Ozone Emissions 2009 Climate 150

Green Car Congress

MAY 17, 2020

The entire life cycle of the passenger cars is taken into account, including the manufacture of the vehicles and the environmentally relevant emissions from driving. The system will graph lifecycle impact for a range of specified powertrains, for a large number of impact categories: Climate change [kg CO 2 -eq.].

Mariner 435

Mariner Climate Change DC Cars 435

Green Car Congress

FEBRUARY 22, 2010

Increasing the reflectivity or albedo of roofs and pavements in urban areas could offset greenhouse gas emissions by a significant amount, according to an open access paper published last month in the IOP journal Environmental Research Letters.

Climate 223

Climate Emissions Climate Change Ozone 223

Green Car Congress

OCTOBER 15, 2018

Researchers at Tohoku University in Japan have identified a way to reduce harmful NO emissions produced by ammonia fuel during combustion. The process involves swirling the gas with air as part of the power generation process. Copyright : Taylor & Francis.

Emissions 308

Emissions Fuel Hydrogen Global 308

Green Car Congress

OCTOBER 30, 2009

New research by a team at the NASA Goddard Institute for Space Studies (GISS) in New York suggests that gas-aerosol interactions can amplify the global warming impact of some greenhouse gases. Methane’s GWP may also change with time as air quality regulations alter the background state of tropospheric chemistry. Shindell et al.

Climate Change 268

Climate Change Ozone Climate Pollution 268

Green Car Congress

APRIL 13, 2014

Decomposition of the decadal change in total global CO 2 emissions from fossil fuel combustion by four driving factors; population, income (GDP) per capita, energy intensity of GDP and carbon intensity of energy. Total anthropogenic GHG emissions were the highest in human history from 2000 to 2010 and reached 49 (±4.5)

Emissions 257

Emissions Climate Change 2000 Climate 257

Green Car Congress

MARCH 22, 2018

However, emissions do not just remain in conurbations; particles and gaseous pollutants can be transported thousands of kilometers by the wind. The transport and transformation of plumes from selected European and Asian major population centers (MPCs) will now be investigated with special focus on the rate of formation of ozone and aerosols.

Emissions 268

Emissions Taiwan Asia Ozone 268

Green Car Congress

JUNE 3, 2010

From 2005 through 2020, total US greenhouse gas (GHG) emissions are projected to rise by 4% under a “with measures” scenario (but without a cap-and-trade program and other complementary policies), from 7,109 Tg CO 2 Eq. The report projects that transportation-related CO 2 emissions will drop 1.5% to 7,416 Tg CO 2 Eq.,

Climate 199

Climate 2020 Emissions Climate Change 199

Green Car Congress

JANUARY 23, 2020

Despite reports that global emissions of the potent greenhouse gas, HFC-23, were almost eliminated in 2017, an international team of scientists, led by the University of Bristol, has found atmospheric levels growing at record values. This gas has very few industrial applications.

Emissions 199

Emissions Ozone India 2017 199

Green Car Congress

OCTOBER 23, 2020

California’s latest greenhouse gas data shows that while the state continues to stay below its 2020 target for emissions, there is much more work to do to achieve carbon neutrality by 2045. California statewide GHG emissions dropped below the 2020 GHG Limit in 2016 and have remained below the 2020 GHG Limit since then.

2020 221

2020 Emissions California 2018 221

Green Car Congress

JUNE 9, 2013

A global phase down of HFCs could potentially reduce some 90 gigatons of CO 2 equivalent by 2050, equal to roughly two years worth of current global greenhouse gas emissions. While they do not deplete the ozone layer, many are highly potent greenhouse gases.

United States 218

United States Ozone China Climate Change 218

Green Car Congress

JULY 31, 2019

CSIRO scientists have developed a new way to account for ozone in computer simulations of the climate. This latest modeling shows that the oceans take much less ozone out of the atmosphere than previously thought. Ozone (O 3 ) is formed by reactions of chemicals such as nitrogen oxides and volatile organic compounds—i.e.,

Ozone 150

Ozone Climate Global Water 150

Green Car Congress

APRIL 1, 2009

The global market for rocket launches may require more stringent regulation in order to prevent significant damage to Earth’s stratospheric ozone layer in the decades to come, according to a new study by researchers in California and Colorado. Darin Toohey.

Ozone 150

Ozone Los Angeles Colorado Corporation 150

Green Car Congress

SEPTEMBER 2, 2009

From: Geoengineering the Climate (2009) Click to enlarge. Unless emissions of carbon dioxide can be greatly reduced—i.e., Geoengineering and its consequences are the price we may have to pay for failure to act on climate change. Preliminary overall evaluation of the geoengineering techniques considered in the report.

Climate Change 186

Climate Change Climate Price International 186

Green Car Congress

JANUARY 16, 2012

Now, researchers from Sandia National Laboratory’s Combustion Research Facility, the University of Manchester and the University of Bristol report in a paper in Science the first direct kinetics measurements made of reactions of any gas-phase Criegee intermediate, in this case formaldehyde oxide (CH 2 OO). Carl Percival. —Welz et al.

Ozone 268

Ozone Climate Change 2012 Climate 268

Green Car Congress

AUGUST 18, 2015

The US Environmental Protection Agency (EPA) released its latest set of proposed standards to reduce emissions of methane and volatile organic compounds (VOCs) from the oil and natural gas industry. The proposal also includes incentives to spur the oil and gas industry to minimize leaks.

EPA 150

EPA Oil Gas Emissions 150

Green Car Congress

MAY 9, 2013

Funding priorities through the ARFVT Program support fuel and vehicle development to help attain the state’s climate change policies. Currently, the state’s transportation sector accounts for nearly 40% of the state''s greenhouse gas emissions; more than 95% of all transportation energy consumed in California is petroleum-based.

Green Vehicles 295

Green Vehicles California 2014 2013 295

Green Car Congress

AUGUST 14, 2019

The California Air Resources Board’s latest state inventory of greenhouse gas emissions shows that California’s GHG emissions continue to decrease. Trends in California GHG Emissions. Changes in emissions by Scoping Plan sector between 2000 and 2017. Overview of GHG Emissions from the Transportation Sector.

2017 230

2017 Emissions 2016 Transportation 230

Green Car Congress

APRIL 29, 2016

The Bakken Formation, a shale oil and gas field in North Dakota and Montana, is emitting roughly 2% (about 250,000 tons per year) of the globe’s ethane, according to new study led by researchers at the University of Michigan. Between 2005 and 2014, the Bakken’s oil production jumped by a factor of 3,500, and its gas production by 180.

Ozone 150

Ozone Global Emissions North Dakota 150

Green Car Congress

APRIL 17, 2009

The proposed cause or contribute finding concludes that that the combined emissions of CO 2 , CH 4 , N 2 O, and HFCs from new motor vehicles and motor vehicle engines contribute to the atmospheric concentrations of these key greenhouse gases and hence to the threat of climate change. Proposed Endangerment Finding.

EPA 150

EPA Climate Change Ozone Motors 150

Green Car Congress

SEPTEMBER 19, 2019

This action is based on the premise that federal law preempts state and local tailpipe greenhouse gas (GHG) emissions standards as well as zero emission vehicle (ZEV) mandates. The California waiver authority exists because California has uniquely difficult problems with ozone-forming pollutants. Earlier post.)

Fuel Economy 220

Fuel Economy EPA Economy Fuel 220

Green Car Congress

OCTOBER 21, 2011

The California Air Resources Board on Thursday adopted the final greenhouse gas (GHG) emissions cap-and-trade regulation. The “cap” limits GHG emissions, and uses allowances—one allowance equals one ton of GHGs—to control total emissions. Earlier post.)

2012 218

2012 California Climate Change 2013 218

Green Car Congress

OCTOBER 11, 2012

Contributions of regions to total life cycle emissions for three fuels (µg per vehicle-mile traveled per km 2 land area). Dashed lines show US average emissions. Associated tailpipe emissions alone account for 40?60% Credit: ACS, Tessum et al. Click to enlarge.

Gasoline 236

Gasoline Emissions Gasoline-Electric Pollution 236

Green Car Congress

DECEMBER 25, 2011

The FY 2011-2012 plan focused primarily on five areas of interest: sustainable communities; behavior and technology adoption; health and air pollution exposures; air pollution science; and greenhouse gas targets. ARB will also consider projects outside of these areas, to the extent that they provide clear and direct support to its mission.

Pollution 231

Pollution 2012 California 2013 231

Green Car Congress

DECEMBER 17, 2010

The “cap”—which declines each year—limits GHG emissions, and uses allowances to control total emissions; one allowance equals one ton of GHGs. Covered entities must reduce emissions or. compete for a decreasing supply of allowances. Click to enlarge.

California 218

California Climate Gas-Electric Emissions 218

Green Car Congress

DECEMBER 22, 2010

Scientists report in an open access paper this week in the journal Proceedings of the National Academy of Sciences (PNAS) that river and stream networks are the source of at least 10% of human-caused nitrous oxide emissions to the atmosphere. This new global emission estimate is startling.

New Hampshire 199

New Hampshire Global Climate Change Ozone 199

Green Car Congress

OCTOBER 22, 2009

That figure does not include damages from climate change, harm to ecosystems, effects of some air pollutants such as mercury, and risks to national security, which the report examines but does not monetize. Most vehicle and fuel combinations had similar levels of greenhouse gas emissions in 2005. Click to enlarge.

2005 246

2005 Cost Of Energy Coal 246

Green Car Congress

APRIL 11, 2014

Chlorofluorocarbons (CFCs)—commonly used in refrigerators and air conditioners—play a role in creating a hole in the ozone layer over Antarctica. We infer recent SGHG emissions and examine the impact of future emissions scenarios, with a particular focus on proposals to reduce HFC use under the Montreal Protocol.

Climate 199

Climate Ozone Climate Change Emissions 199

Green Car Congress

MARCH 16, 2012

eutrophication; ET = ecological toxicity; FEC = fossil energy consumption; WU = water use; LO = land occupation; “The rest” includes acidification; smog formation; ozone layer depletion; and human health effects. GW = global warming; Eut. Credit: ACS, Yang et al. Click to enlarge. Process flow diagrams for E85 and gasoline. Click to enlarge.

Gasoline 357

Gasoline Water Emissions Pollution 357

Green Car Congress

AUGUST 25, 2014

The human health benefits associated with improvements in air quality related to the reduction in greenhouse gas emissions improvements can offset 26–1,050% of the cost of US carbon policies, depending upon the type of policy, according to a new study by a team from MIT. precursors through 2030. precursors through 2030.

MIT 231

MIT Carbon Climate Climate Change 231

Green Car Congress

NOVEMBER 23, 2009

Atmospheric levels of major greenhouse gases continue to increase, according to the World Meteorological Organization’s (WMO) 2008 Greenhouse Gas Bulletin. According to the NOAA Annual Greenhouse Gas Index (AGGI), the total radiative forcing by all long-lived greenhouse gases has increased by 26.2% Source: WMO. Click to enlarge.

2008 218

2008 2003 2007 Climate Change 218

Green Car Congress

MARCH 24, 2017

On the first day of a two-day board meeting—the second day of which (Friday 24 March) will consider the Advanced Clean Cars Midterm Review—the California Air Resources Board (ARB) took a number of climate and air quality actions. emissions by more than 20%.

Climate 199

Climate California Ozone Pollution 199

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. Earlier post.).

Climate 261

Climate Climate Change Carbon Boston 261