EPA, Exhaust, Ozone and Technology

UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

Green Car Congress

JUNE 8, 2023

In a recent open-access paper published in ACS’ Environmental Science & Technology , researchers from the University of York report that alcohols in windshield washer fluid account for a larger fraction of real-world vehicle emissions than previous estimates have suggested. the products used for “car care,” such as windshield washer fluid.

Emissions

Emissions Exhaust Cars Ozone

EPA proposes approval of new ozone plans for the two of the worst Air Quality Zones in US: California’s San Joaquin Valley and South Coast

Green Car Congress

SEPTEMBER 9, 2011

US EPA Region 9 8-hour ozone trends, 1979-2000. Source: EPA. These State Implementation Plans (SIPs) are the roadmaps to meeting the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) of 0.08 In 1997, EPA first established the 8-hour ozone standard, which replaced the older 1-hour ozone standard (0.12

Ozone

Ozone EPA Pollution 2002

EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024

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 —EPA memorandum in response to petitions.

EPA

EPA Standards Ozone 2000

OptiFuel finalizing $2.6M DOE grant to demonstrate RNG hybrid line-haul locomotive

Green Car Congress

JULY 24, 2020

The program will demonstrate that a suite of commercially available, EPA-rail-certified engines present a near-term, low-risk solution to create an affordable RNG hybrid line-haul locomotive with near zero emissions while simultaneously improving fuel cost by 50%. g/bhp-hr of NOx, a reduction of 400 times.

Grant

Grant Hybrid Ozone EPA

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

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.)

Exhaust

Exhaust Diesel Engine 2007

Clean Diesel Technologies awarded $1.3M for ferry emission reduction program

Green Car Congress

OCTOBER 25, 2010

Clean Diesel Technologies, Inc. million in funding by the New York State Energy and Research Development Authority (NYSERDA) to supply diesel emission control technology as part of a New York City ferry emission reduction program. The program will implement emissions control technologies on private ferries operating in New York Harbor.

Diesel

Diesel Clean Cleaning Emissions

EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

Green Car Congress

APRIL 29, 2013

In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 a global warming potential of 21. Tg CO 2 eq) in 2011.

2007

2007 2011 EPA Gas

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

Green Car Congress

FEBRUARY 5, 2020

Source of data: US EPA (2019). NO x is a precursor for both ground level ozone and secondary PM 2.5 EPA is targeting implementation in the 2027 timeframe while CARB is focusing efforts on phasing in more stringent standards in 2024 and again in 2027 with the hope of aligning with EPA as a national standard. Chart: MECA.

Emissions

Emissions Diesel Engine 2010

CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Green Car Congress

DECEMBER 4, 2013

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. In 2010, EPA’s stringent NO x limit of 0.20 g/hp-hr in 2010. CRC Report: ACES Phase 2.

Diesel

Diesel Emissions 2004 San Antonio

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Green Car Congress

MAY 12, 2017

The study, by a team of researchers from Carnegie Mellon University, University of Georgia, Aerodyne Research, California Air Resources Board (ARB), Ohio State University, UC Berkeley, and UC San Diego is published in the ACS journal Environmental Science & Technology. emission control technologies, and vehicle age and maintenance history. …

Fleet

Fleet Engine Global Fuel Economy

Why Electric Buses Are the Healthy School Choice

Blink Charging

NOVEMBER 28, 2023

Many school districts use diesel buses for fuel efficiency, but even diesel exhaust was classified as a known carcinogen to humans in 2012. The EPA is expecting to award at least another $500 million in funding under the 2023 CSB rebate program and a further $400 million via grant funding.

Fleet

Fleet Electrical Electric United States

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Green Car Congress

OCTOBER 20, 2012

They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology. Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. L/2002 calibration and 6.4

Pollution

Pollution Diesel Emissions Engine

California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

Green Car Congress

SEPTEMBER 26, 2009

Increased leadership from US EPA and the railroads, along with funding to address California’s needs, would signal a clean-air commitment that must be made to protect those who live and work near rail yards. The emission reductions were to be beyond existing US EPA regulations and ARB regulations and agreements.

Diesel

Diesel California Emissions 2007

National Academies release third review of the 21st Century Truck Partnership

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.”

MPG

MPG Miles 2009 Fuel

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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. In February, 2009, the US EPA granted Renergie, Inc. Current Legal Requirement for Use of Anhydrous Ethanol in the United States. 40 CFR § 80.27

Transportation

Transportation Fuel Renewable Gasoline-Electric

EV Driven

UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

EPA proposes approval of new ozone plans for the two of the worst Air Quality Zones in US: California’s San Joaquin Valley and South Coast

EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024

OptiFuel finalizing $2.6M DOE grant to demonstrate RNG hybrid line-haul locomotive

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Clean Diesel Technologies awarded $1.3M for ferry emission reduction program

EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

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

CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Why Electric Buses Are the Healthy School Choice

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

National Academies release third review of the 21st Century Truck Partnership

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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