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.

Emissions 353

Emissions Pollution Exhaust London 353

Green Car Congress

DECEMBER 23, 2016

Earlier this year, the US Environmental Protection Agency (EPA) received several petitions from state and local government agencies from across the country and other organizations to increase the stringency of the on-highway heavy-duty engine NO x emission standards from 0.2 grams per brake horsepower-hour (g/bhp-hr) to 0.02

EPA 150

EPA Standards Ozone 2000 150

Green Car Congress

NOVEMBER 11, 2018

They found that exposure to pollutants such as ground-level ozone and nitrogen oxides, which are created from burning fossil fuels, led to increased ED visits. ozone and sulfate) origin and cardiorespiratory emergency department (ED) visits for 8 specific outcomes in five U.S. nitrogen oxides) and secondary (e.g. —Krall et al.

Pollution 353

Pollution St. Louis Dallas Atlanta 353

Green Car Congress

JULY 18, 2022

The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). The vehicle test matrix had provisions for five vehicles on each emissions standards category (i.e.,

Fuel Economy 186

Fuel Economy Economy Fuel Ozone 186

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.) This phase was conducted at SwRI in 2012.

Exhaust 150

Exhaust Diesel Engine 2007 150

Green Car Congress

AUGUST 5, 2019

Test routes included both city and highway roads, and a stop-and-go route similar to standard school bus operation. Researchers installed a portable emissions measurement system to measure exhaust emissions on each vehicle and performed test runs on each bus with both cold and hot starts, for a total of 36 test routes.

West Virginia 312

West Virginia Diesel Emissions Virginia 312

Green Car Congress

APRIL 4, 2011

vehicle emissions under the baseline scenario (a) and the difference between the tight-standard and baseline scenarios (b). However, these standards will not reduce CO 2 emissions, which is required to mitigate long-term climate change, the team notes. million metric tons of avoided ozone-related yield losses of major food crops; $US0.6-2.4

Climate 231

Climate Standards Emissions Climate Change 231

Green Car Congress

JULY 24, 2020

The rail sector is the only transportation modality without significant emissions related development that is feasible in the near-term to eliminate ozone, smog and GHG emissions, OptiFuel says. g/bhp-hr of NOx, a reduction of 400 times. More than 122 million people (nearly 40% of the U.S. In 2018, Class I, II, and III railroads purchased 4.7

Grant 243

Grant Hybrid Ozone EPA 243

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.

Emissions 286

Emissions Diesel Ozone United States 286

Green Car Congress

DECEMBER 4, 2013

2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPA standard and 99% lower than in 2004 engines.

Diesel 296

Diesel Emissions 2004 San Antonio 296

Green Car Congress

JANUARY 15, 2014

The Super Ultra-Low Emissions Vehicle (SULEV) standard under these regulations specifies near-zero evaporative emissions. The EvapTrap provides a powerful solution to meet pending SULEV evaporative emissions standards while allowing auto manufacturers to use their existing air intake box, thus reducing complexity and cost for the OEM.

Emissions 207

Emissions Fuel Economy Ozone Conversion 207

Green Car Congress

MAY 12, 2017

We use the data to quantify the effects of engine technology, emission standards, and cold-start on emissions. We estimate ozone and SOA formation potential. All the vehicles were tested using commercial gasoline that met the summertime California fuel standards. —Saliba et al. of the data. of the data. Click to enlarge.

Fleet 207

Fleet Engine Fuel Economy Global 207

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. —“Technology Feasibility for Heavy-Duty Diesel Trucks in Achieving 90% Lower NO x Standards in 2027”.

Emissions 291

Emissions Diesel Engine 2010 291

Green Car Congress

JANUARY 28, 2014

Compared to the 2010 “Business as Usual” scenario—which includes all adopted emission control measures for the South Coast—NO x levels must be reduced by 65% and by 75% to meet the 2023 and 2032 ozone standards, respectively. California’s Climate Protection Strategies do not help meet NAAQS Standards.

Gas 257

Gas Climate Emissions California 257

Green Car Congress

MAY 20, 2010

Approximately $28 million is available through the program to fund truck replacements or exhaust retrofits statewide. Previously, only trucks with 1993 and older engines were eligible; and, New funding option of up to $10,000 per truck for an exhaust retrofit.

California 186

California Diesel Emissions Cleaner 186

Green Car Congress

DECEMBER 10, 2016

The individual study examined the effect of air pollution on pulmonary circulation in ten healthy male volunteers exposed to pollutants in a chamber with standardized conditions. The volunteers were exposed to ambient air or dilute diesel exhaust with a PM 2.5 The population study showed a negative effect of PM 10 , PM 2.5

Pollution 150

Pollution 2016 Exhaust Ozone 150

Green Car Congress

JUNE 1, 2017

In these detailed bottom-up models, mobile source emissions are treated for different engine sizes and fuels, that, in the past, relied on standardized protocols obtained in test facilities, but were recently updated based on a number of RDE tests. —Karl et al.

Europe 150

Europe Diesel Emissions Pollution 150

Green Car Congress

JUNE 26, 2015

Haagen-Smit’s breakthrough research, which became the foundation upon which today’s air pollution standards are based, concluded that most of California’s smog is the result of photochemistry—the reaction of sunlight with industrial and motor vehicle exhaust to create ozone.

Climate Change 150

Climate Change Pollution Climate Ozone 150

Green Car Congress

MARCH 29, 2017

This new undertaking will capture detailed information on pollutants from vehicle exhaust using remote-sensing equipment and portable emissions monitoring systems. Some diesel cars that meet the latest Euro 6 standards in reality release more NO x than a modern heavy duty truck. Earlier post.). Earlier post.).

London 150

London Emissions The Fia Foundation Pollution 150

Green Car Congress

DECEMBER 23, 2013

The chemistry of a fuel impacts the emissions from an engine, with the most obvious example being unburned or partially burned fuel which is a major component of engine exhaust. Engine-out exhaust contains typically 1?3% via the unburned or partially burned fuel which is a major component of engine exhaust. —Hubbard et al.

Emissions 294

Emissions Ford Exhaust Engine 294

Green Car Congress

FEBRUARY 5, 2015

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. more stringent requirements applicable to ships in Emission Control Areas (ECA). Earlier post.).

Pollution 150

Pollution Emissions Fuel Mariner 150

Green Car Congress

JUNE 27, 2013

The envelope around the medium aircraft indicates one standard deviation uncertainty; otherwise uncertainties are indicated by selected bars at medium occupancy. For cars the Euro 4 emissions standard is used. The left/right whisker indicates one standard deviation uncertainty for the lower/upper variant. Click to enlarge.

Climate 186

Climate Diesel Emissions Climate Change 186

Green Car Congress

SEPTEMBER 26, 2009

Diesel exhaust contains a variety of harmful gases and more than 40 other known cancer-causing substances. NO x helps create ground-level ozone, or smog. BNSF has been operating four liquefied natural gas yard locomotives in downtown Los Angeles since the mid-1990s.

Diesel 170

Diesel Emissions California 2007 170

Green Car Congress

MAY 6, 2010

The enleanment due to oxygen in ethanol and the low volatility of the ethanol portion of the fuel blend at low temperature gives concerns that existing and planned vehicles designed for federal and California emissions test fuels will not meet their required emissions standards when operated on mid-level ethanol blends. New project).

Vehicles 186

Vehicles Emissions 2010 Australia 186

Green Car Congress

AUGUST 30, 2009

During the early 1900s, a distillery was a standard piece of farm equipment. 80.28, “applicable standard” means: 9.0 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. 40 CFR § 80.27

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317

Green Car Congress

SEPTEMBER 14, 2015

The Partnership aims to “ accelerate the introduction of advanced truck and bus technologies that use less fuel, have greater fuel diversity, operate more safely, are more reliable, meet future emissions standards, and are cost effective.” These new targets need to be set for the research efforts.

MPG 150

MPG Fuel 2009 Miles 150