Green Car Congress

JANUARY 29, 2020

Additionally, LNG engines are tuned to either emit low nitrogen oxide (NO x ) emissions—at the cost of higher methane emissions in some cases—or to incorporate NO x reduction technologies such as exhaust gas recirculation (EGR) or selective catalytic reduction (SCR).

Mariner 427

Mariner Climate Fuel Oil 427

Green Car Congress

DECEMBER 16, 2009

Highway barriers erected along roadways to block the sound and sight of traffic for the adjoining neighborhoods may also be reducing the amount of pollutants, such as soot from diesel exhaust, reaching area residents, according to a study by NOAA and the US Environmental Protection Agency (EPA). Dennis Finn. Dennis Finn, Kirk L.

Pollution 170

Pollution EPA Idaho Neighborhood 170

Green Car Congress

JANUARY 28, 2016

The automotive catalytic converter, developed in the early 1970s primarily by General Motors and BASF/Engelhard and first deployed in 1975, changes exhaust pollutants into CO 2 , water vapor and nitrogen. Engine designs for fuel economy can result in reduced exhaust temperatures.

GM 150

GM Supplies Companies South Africa 150

Green Car Congress

NOVEMBER 17, 2019

Scientists from Tokyo Metropolitan University have developed a low-temperature catalyst for removing NO x gas from industrial exhaust using ammonia. Nitrogen monoxide (NO) and nitrogen dioxide (NO 2 )—nitrogen oxides (NO x )—are common atmospheric pollutants created by burning fossil fuels, coal and natural gas.

Exhaust 186

Exhaust Universal Conversion Gas-Electric 186

Green Car Congress

AUGUST 20, 2019

The valve train is the “respiratory organ” of combustion engines: it manages the aspiration of fresh air and the discharge of exhaust gases (gas exchange). The basic principle of the valve train—for both intake and exhaust side—is an asymmetric hydraulic pendulum, which can be described as a mass-spring-system. Image: Empa.

Fuel 220

Fuel Gas-Electric Exhaust Gas 220

Green Car Congress

JULY 13, 2017

PTF processes essentially use renewable energy, CO 2 and water to produce fuel, as in Audi’s targeted e-fuels projects. The last blend—a suitable n-alkane cut mixed with OME 3-5 —has the greatest potential for increasing engine efficiency and reducing pollutant emissions. Earlier post.) Schemme et al. Click to enlarge.

Diesel 150

Diesel Fuel Power Powered 150

Green Car Congress

NOVEMBER 17, 2014

Maritime traffic on the world’s oceans has increased four-fold over the past 20 years, likely causing more water, air and noise pollution on the open seas, according to a new study quantifying global ship traffic. Ships powered by fossil fuels dump oil, fuel and waste into the water and pump exhaust into the air.

Sri Lanka 225

Sri Lanka Global Somalia Pollution 225

Green Car Congress

JANUARY 13, 2011

The technology uses seawater to filter pollutants from ships’ auxiliary engines and. It provides for silencing of the exhaust noise. features advanced emission control technology in which seawater is used to scrub, or filter, contaminants from a ship’s auxiliary engines and boiler before exiting the exhaust stack of a ship.

Los Angeles 218

Los Angeles Long Beach Emissions Exhaust 218

Green Car Congress

FEBRUARY 5, 2014

Theoretically, cars operating on higher ethanol blends than the design point could emit greater concentrations of pollutants in exhaust gas. In the cylinder where combustion takes place, the fuel evaporates before it is burned, and this evaporation helps cool off the air/fuel mixture and exhaust gas.

Gasoline 230

Gasoline Exhaust Water Fuel 230

Green Car Congress

FEBRUARY 9, 2011

Rochester), with Blue Lake Associates (Rochester) are working on a device that could reduce pollution from a diesel engine by generating an ionic field to oxidize particulate matter in the exhaust, breaking down complex pollutants and making engines more environmentally friendly. Environmental Energy Technologies Inc.

Diesel 199

Diesel Transportation New York Pollution 199

Green Car Congress

MARCH 10, 2012

There are approximately 100 different known PAHs in air, soil, food, and water, although the number of chemicals that comprise the PAH class is not fully. Non-exhaust traffic sources of particles. These non-exhaust vehicle sources include: brake lining, tire and road-surface wear, and resuspension of road dust. when complex.

Environment 353

Environment Automobile Exhaust Oil 353

Green Car Congress

JULY 21, 2010

The California Air Resources Board (ARB) and the US Environmental Protection Agency (EPA) have presented preliminary proposals aimed at closing compliance loopholes for medium- and heavy-duty diesel engines using SCR-based NO x emissions control systems for 2011 and later model years. This occurs during stop-and-go traffic.

2010 186

2010 EPA Engine Exhaust 186

Green Car Congress

JUNE 2, 2017

The TWC reduces NO x to nitrogen and oxygen; oxidizes CO to CO 2 , and oxidizes unburnt hydrocarbons to carbon CO 2 and water. This function is crucial in current TWC, in which the oxygen partial pressure in the exhaust must be regulated to be near the ideal air-to-fule ration (A/F = 14.6). —Machida et al. Machida, M.;

Convert 170

Convert Conversion Exhaust Gasoline 170

Green Car Congress

JULY 13, 2011

(Japan) report in the journal Angewandte Chemie the development of a mesoporous two-line ferrihydrite (2LFh)—ferrihydrite is a widespread mineral composed of iron, oxygen, and water—that could lead to a new generation of ozone filters in electrostatic devices and aircraft applications. removal; it showed about 95 % O 3.

Ozone 218

Ozone Toyota Pollution Suzuki 218

Green Car Congress

MAY 26, 2016

million grant from the California Air Resources Board (CARB) for reducing greenhouse gases and other pollutants. Pasha’s terminal is adjacent to Wilmington, a community recognized by the state as disproportionately impacted by industrial pollution. million project is funded in part by a $14.5-million

Los Angeles 150

Los Angeles California Emissions Green 150

Green Car Congress

JULY 29, 2010

Jacobson used a computer model of global climate, air pollution and weather that he developed over the last 20 years and updated to include additional atmospheric processes to analyze how soot can heat clouds, snow and ice. Particle traps filter out soot particles from exhaust fumes. Mark Jacobson. Dessler et al., Guenther et al.,

Global 230

Global Ozone CO2 Pollution 230

Green Car Congress

SEPTEMBER 11, 2013

Although the catalyst is in use, exactly how it converts NO x to nitrogen and water with the help of ammonia (urea) hasn’t been entirely clear. In some catalytic zeolites, the metal ions can break down the pollutant nitric oxide in vehicle emissions. However, the zeolites crumble and clog easily, leading to early failure. Lee, Sarah D.

Li-ion 225

Li-ion Diesel 2013 Water 225

Green Car Congress

FEBRUARY 5, 2020

Due to the continued exposure of millions of Americans to poor air quality, both the United States Environmental Protection Agency (EPA) and California Air Resources Board (CARB) have announced rulemakings focused on revising the heavy-duty truck emission standards, with a particular focus on tighter limits for oxides of nitrogen (NO x ).

Emissions 291

Emissions Diesel Engine 2010 291

Green Car Congress

APRIL 5, 2010

Due to the high water demand for biofuel production and limited treatment technologies, IntAct anticipates that such a system, if proven, will be in high demand as worldwide capacity and production increases significantly in the coming years. A number of NO x abatement technologies (e.g.,

Emissions 225

Emissions EPA Waste Exhaust 225

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. In the catalytic process, rare metals such as platinum, are used in a chemical reaction to convert carbon monoxide and other pollutants to non-toxic carbon dioxide, nitrogen, and water. —Yong Wang.

Exhaust 270

Exhaust Pollution Convert New Mexico 270

Green Car Congress

JULY 1, 2009

These standards rely on engine based technologies to reduce exhaust emissions of nitrogen oxides (NO x ). Air pollution from large ships, such as oil tankers and cargo ships, is expected to grow rapidly in line with port traffic increases. million work days lost, and 10 million minor restricted-activity days. EPA Oceangoing Vessels.

Mariner 170

Mariner EPA Standards International 170

Green Car Congress

NOVEMBER 5, 2010

engine is equipped with spark ignition and water-cooled EGR, and operates at a compression ratio of 12.7:1. The team combined a NO x Storage Reduction (NSR) catalyst and Oxidation Catalyst (DOC) as an exhaust aftertreatment system to further reduce NO x. —Kawamura et al. Kawamura et al. Click to enlarge. NO x reduction.

Hydrogen 247

Hydrogen International Engine Japan 247

Green Car Congress

APRIL 22, 2010

A fraction of lead is retained in the engine, engine oil and/or exhaust system, which EPA currently estimates at 5%. Lead emitted in-flight is expected to disperse widely in the environment because lead is emitted as a small particle and can travel widely before depositing to soil, water, vegetation or other surfaces.

EPA 199

EPA Gasoline Emissions 2008 199

Green Car Congress

MARCH 6, 2010

For offsets to be credible, a ton of CO 2 -equivalent emissions from an offset project should equate to a ton reduced from a covered emission source, such as a smokestack or exhaust pipe. To be credible, as noted above, an offset should equate to an emission reduction from a direct emission source, such as a smokestack or exhaust pipe.

Climate Change 218

Climate Change Climate Emissions 2008 218

Green Car Congress

AUGUST 30, 2018

This newly developed ENSs could improve low-temperature automobile exhaust treatment. Meanwhile, hydrocarbons, such as propylene (C 3 H 6 ) and propane (C 3 H 8 ) are typical automobile exhaust gas pollutants and must be converted to carbon dioxide (CO 2 ) and water (H 2 O) before they are released as exhaust.

Commercial 186

Commercial Diesel Exhaust Automobile 186

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. The atmospheric evolution of organic compounds encompasses many thousands of compounds with varying volatility, polarity, and water solubility. Ditto, Emily B.

New York City 220

New York City Atlanta Climate Pollution 220

Green Car Congress

DECEMBER 8, 2019

Atmospheric pollution is a growing problem, particularly in urban areas and in less developed countries. According to the World Health Organization, one out of every nine deaths can be attributed to diseases caused by air pollution.

Power 150

Power Powered Pollution F-150 150

Green Car Congress

NOVEMBER 25, 2019

New research led by The University of Manchester has developed a metal-organic framework (MOF) material that provides a selective, fully reversible and repeatable capability to capture nitrogen dioxide (NO 2 ), a toxic air pollutant produced particularly by diesel and bio-fuel use. —Dr Sihai Yang, a lead author.

Convert 186

Convert Pollution Water Universal 186

Green Car Congress

OCTOBER 6, 2016

We can eliminate environmental pollution from ships. Zero greenhouse gas and criteria pollutants during operation. Elimination of diesel fuel spills, diesel odor, and exhaust odor. When you add a seed to water, it grows. And all at zero pollution. This is a game changer. —Tom Escher. —Tom Escher.

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Hydrogen San Francisco Power Powered 326

Electric Vehicles India

FEBRUARY 23, 2023

Faced with the depletion of natural resources and the negative effects of air pollution and emissions, electric bus manufacturers have taken initiatives to accelerate the development of hydrogen-powered buses. As far as emissions are concerned, these buses emit only water as a byproduct of the exhaust from their tailpipes.

Hydrogen 79

Hydrogen India Carbon Water 79

Green Car Congress

MARCH 31, 2017

Vehicle tailpipes are a more important source of ammonia’s contribution to urban air pollution than is agriculture, according to a study by researchers from the US and China. The presence of NH 3 in vehicle exhaust greatly enhances the formation and growth of secondary inorganic aerosols. Kang Sun, Lei Tao, David J. Golston, Mark A.

Vehicles 150

Vehicles Emissions Houston Universal 150

Green Car Congress

JULY 17, 2015

The alternative-fuel car evolved to reduce exhaust emissions and other problems derived from burning fossil fuels. The car can refuel during periods of low demand on the grid, and if equipped with a bi-directional charger, can actually replenish the grid with excess energy gleaned from a renewable resource. It is much more than that.

PHEV 150

PHEV Plug-in Renewable Energy 150

Green Car Congress

APRIL 10, 2010

Cap-and-trade was first tried on a significant scale twenty years ago under the first Bush administration as a way to address the problem of airborne sulfur dioxide pollution–widely known as acid rain–from coal-burning power plants in the eastern United States. INTRODUCTION.

Gas 244

Gas Climate Change Emissions Climate 244