Union of Concerned Scientists

AUGUST 2, 2022

Despite making up only about 10 percent of vehicles on the road, heavy-duty vehicles are responsible for 28 percent of greenhouse gas emissions, 45 percent of nitrogen oxides, and 57 percent of fine particulate pollution from vehicles in the U.S. But this bill is a big step forward.

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New Scientist

FEBRUARY 2, 2022

Carbon monoxide and nitrogen oxide pollution have fallen sharply in Hong Kong since it introduced a world-first scheme to detect and repair vehicles with the highest emissions

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New Scientist

JANUARY 18, 2022

Levels of nitrogen oxides and ozone on a par with average concentrations next to major UK roads led to a reduction in the number of pollinators counted on the crops by up to 70 per cent

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Nitrogen Oxides Air Pollution Ozone 98

Legal Planet

MARCH 15, 2023

The Threats of Gas Appliances Every day, domestic gas-powered building appliances emit 65 tons of toxic and highly reactive gases called nitrogen oxides (NOx) per day. The Rule and Other Potential Developments By adopting this rule, BAAQMD is exercising its legal authority under both federal and state law to regulate nitrogen oxides.

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Environmental News Bits

AUGUST 30, 2022

In addition to carbon dioxide, burning jet fuel produces water vapor, sulfur dioxide, soot, nitrogen oxides, and contrail clouds, all of which can affect global temperature. Read the full story at Anthropocene Magazine. Airplanes affect the climate in complex ways.

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Environmental News Bits

APRIL 1, 2024

It’s a known carcinogen plus it contains harmful nitrogen oxides, volatile gases and particles that exacerbate lung issues. Diesel exhaust from school buses potentially affects one-third of U.S. students, their parents and educators each day, according to federal data. It also contributes to global warming.

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PA Environment Daily

FEBRUARY 2, 2023

The action against Shell Chemical Appalachia’s plant, located in Potter Township, is for illegal emissions of volatile organic compounds (or VOCs), which contribute to smog and can cause nausea, nerve damage, and other health problems, as well as nitrogen oxides, which can trigger asthma attacks and respiratory illness.

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Union of Concerned Scientists

JUNE 6, 2023

Older vehicles (pre-2004) make up 19% of the state’s passenger vehicles and only 12% of miles driven, yet they emit almost 3 times as much smog-forming, nitrogen-oxide pollution as all 2004 and later vehicles combined. These pollutants react in the atmosphere to form harmful particulate matter pollution known as PM 2.5.

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Successful Green

MARCH 22, 2021

Emissions of methane and nitrogen oxides from agriculture are Europe’s second most important... The post Climate-friendly but costly agriculture appeared first on successful GREEN. Making agriculture climate-?neutral

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Union of Concerned Scientists

DECEMBER 1, 2022

California’s leadership on reducing truck pollution has been on full display the past few years, passing critical regulations requiring 90 percent reduction in smog-forming nitrogen oxide (NO X ) emissions from diesel trucks and requiring manufacturers sell an increasing share of electric trucks to move away from fossil fuels altogether.

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Nitrogen Oxides Clean Air Act Ozone Fossil Fuels 246

PA Environment Daily

MARCH 24, 2023

The Department of Environmental Protection will hold a May 10 hearing on a proposed RACT 3 Air Quality Plan related to nitrogen oxide and volatile organic compound emissions at the Perdue AgriBusiness LLC plant in Conoy Township, Lancaster County. (

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Union of Concerned Scientists

AUGUST 20, 2024

Reductions in pollutants including particulate matter, nitrogen oxides, carbon monoxide and others, help to clean the air – not just for children riding the bus, but everyone in the communities where these buses travel, as well as near the refineries where fuels are produced. But lower climate emissions aren’t the only benefit.

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Environmental News Bits

DECEMBER 12, 2022

Current nitrogen oxide limits are “badly out of date and come nowhere near reflecting the best emission limits achievable,” according to the Environmental Defense Fund and Sierra Club. Read the full story at Utility Dive.

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PA Environment Daily

MAY 7, 2024

Click Here for DEP’s presentation. -- Proposed regulation correcting RACT III requirements for nitrogen oxide and volatile organic compounds. The two air quality regulations on the agenda are-- -- Proposed regulation clarifying the ability of DEP to adopt air emission standards through the submission of Air Quality Plans to EPA.

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PA Environment Daily

APRIL 5, 2024

tpy nitrogen oxides, 0.0075 tpy Mercury, 53.1 tpy sulfur oxides, and 24.99 The Department of Environmental Protection published notice in the April 6 PA Bulletin inviting comments on a proposed renewal of a Title V Air Quality Permit for the Covanta Plymouth Municipal Waste Combustion units located in Plymouth Twp.,

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PA Environment Daily

MARCH 28, 2024

tons of nitrogen oxide emissions in 2023. The Nesquehoning site burns waste coal and tires to produce electricity for its bitcoin mining operation. These fuels produced 430.4 tons of sulfur dioxide emissions and 291.5

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PA Environment Daily

OCTOBER 1, 2022

By replacing older polluting engines and equipment with new technologies, funded projects remove nitrogen oxide, carbon monoxide, particulate matter, and hydrocarbon pollution from the air. “This comprehensive approach to reducing vehicle emissions will help improve Pennsylvanians’ health while also helping to slow climate change.”

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PA Environment Daily

JUNE 30, 2023

nitrogen oxides, 21.63 This project would install four Waukesha engines (each rated at 1,680 bhp) controlled by non-selective catalytic reduction technology. Potential emissions from all sources after completion of the project are estimated to be-- in tons per year-- 0.46 volatile organic compounds; 12.31 carbon monoxide, 5.61

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Nitrogen Oxides Carbon Monoxide Air Pollution Natural Gas 69

Union of Concerned Scientists

SEPTEMBER 17, 2024

Medium- and heavy-duty vehicles (MHDVs), like the big rigs on our highways and the vans that deliver our packages, make up just over 1 in 10 of the vehicles on our roads, but are responsible for over half of ozone-forming nitrogen oxide pollution and lung-damaging fine particulate pollution from on-road vehicles.

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Environmental News Bits

MARCH 16, 2023

The latest “Good Neighbor” rule will affect nitrogen oxide pollution that is a key ingredient in smog from facilities in 23 states. The Environmental Protection Agency (EPA) on Wednesday morning announced finalized new rules on interstate air pollution, regulating downwind interstate pollution.

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PA Environment Daily

FEBRUARY 22, 2024

The pollutants included in these additional penalties were-- volatile organic compounds, nitrogen oxide, carbon monoxide, hazardous air pollutants and “other pollutants,” excluding carbon dioxide emissions. Paragraph 14.b b of the May 24, 2023 Consent Order and Agreement-- -- $521,549.62 on June 20, 2023 -- $1,046,766.94

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2023 Nitrogen Oxides Carbon Monoxide Carbon Dioxide 121

PA Environment Daily

JANUARY 24, 2023

The locomotives at issue in this settlement burn diesel fuel which produces significant emissions of nitrogen oxides (NOx) and fine particulate matter. The settlement is expected to reduce tons of nitrogen oxide and particulate matter pollution and improve air quality where their trains operate.” “By

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Clean Air Act Nitrogen Oxides Ozone Pollution Control 65

PA Environment Daily

FEBRUARY 28, 2023

Getting more zero- and low-emission vehicles on the road in Pennsylvania helps reduce harmful air pollutants, including nitrogen oxides, carbon monoxide, particulate matter, and volatile organic compounds. It also helps lower the level of carbon dioxide, one of the greenhouse gases heating up the climate, in the air.

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Nitrogen Oxides Ground-Level Ozone Carbon Monoxide Carbon Dioxide 74

Union of Concerned Scientists

DECEMBER 4, 2023

Emissions of nitrogen oxides (NOx), sulfur dioxide (SO 2 ) and toxics like mercury add further to the health and environmental burden of fossil fuels. Particulate matter (PM2.5) is a particularly nasty pollutant, contributing to a range of cardiovascular and lung diseases and even causing death.

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Fossil Fuels Nitrogen Oxides Clean Energy Paris Agreement 328

PA Environment Daily

APRIL 12, 2023

tons of nitrogen oxides. tons of nitrogen oxides. Click Here for a copy of the violation. -- April 6: A report submitted by Shell for the 12-month period ending January 2023 resulted in a violation of Shell's annual total emission limit of 328.5 Shell reported emissions of 370.688 tons.

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Air Pollution Nitrogen Oxides Carbon Monoxide Natural Gas 96

PA Environment Daily

AUGUST 31, 2023

Getting more zero- and low-emission vehicles on the road in Pennsylvania helps reduce harmful air pollutants, including nitrogen oxides, carbon monoxide, particulate matter, and volatile organic compounds. It also helps lower the level of carbon dioxide, helping to address climate change.

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Nitrogen Oxides Ground-Level Ozone Carbon Monoxide Natural Gas 82

Enviromental Defense

SEPTEMBER 20, 2023

Along with their contribution to larger climate change impacts, gas plants also cause local air pollution – mainly nitrogen oxides and particulate matter. Respected bodies like the International Energy Agency have been clear – there is no room for new fossil fuel infrastructure if we want to hold warming to 1.5

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Nitrogen Oxides Fossil Fuels Air Pollution Electricity 143

PA Environment Daily

APRIL 24, 2024

Vehicles produce 47 percent of nitrogen oxides in the air, leading to the formation of ground-level ozone. Replacing heavy diesel vehicles with new low- to zero-emissions equipment technology will help mitigate air pollution from transportation sources.”

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Ground-Level Ozone Nitrogen Oxides Air Pollution Ozone 84

Union of Concerned Scientists

JULY 1, 2024

Their contribution to local air pollution is also highly disproportionate, as heavy-duty vehicles are responsible for 45 percent of on-road nitrogen oxides (NOx) and 57 percent of on-road fine particulate matter (PM2.5) by 13 percent and other key pollutants such as nitrogen oxides and sulfur dioxide by 77 and 90 percent, respectively.

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Fossil Fuels Biofuels Nitrogen Oxides Electricity 336

Union of Concerned Scientists

AUGUST 29, 2023

Even with promising zero-emission vehicle sales in recent years, gasoline-fueled cars and trucks continue to emit 40% of California’s greenhouse gas emissions and 45% of our smog-forming nitrogen oxides, more commonly referred to as NOx emissions.

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Union of Concerned Scientists

MAY 4, 2023

Trucks and buses on California’s roads and highways are responsible for the majority of lung-damaging fine particulate and ozone-forming nitrogen oxide emissions, and a sizable amount of climate-warming greenhouse gas emissions as well. Why did the state create this truck rule?

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Nitrogen Oxides Fossil Fuels Air Pollution Ozone 162

PA Environment Daily

OCTOBER 22, 2024

They use a flameless reaction with near-zero NOx (nitrogen oxides) emissions using any gaseous fuel. Linear generators represent an advanced new category of power generation. The product can switch from one fuel to another seamlessly without hardware changes.

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PA Environment Daily

APRIL 14, 2022

Switching to these zero- and low-emission fuels helps lower levels of many air pollutants, including nitrogen oxides, carbon monoxide, particulate matter, volatile organic compounds, and carbon dioxide, one of the greenhouse gases heating up our climate. It also funds installation of fueling equipment for these vehicles.

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Nitrogen Oxides Electricity Carbon Monoxide Carbon Dioxide 59

Union of Concerned Scientists

SEPTEMBER 11, 2024

Eliminating gasoline combustion also means getting rid of harmful pollutant emissions like nitrogen oxides and reactive organic gases. That’s less than a quarter of the emissions per mile of the average gasoline car on the road in California (29 mpg).

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PA Environment Daily

JULY 30, 2024

In Pennsylvania, 47 percent of nitrogen oxide emissions come from gasoline and diesel vehicles, and transportation contributes up to 22 percent of Pennsylvania's overall greenhouse gas emissions. The awards will save an estimated 895,231 gallons of gasoline per year.

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Union of Concerned Scientists

MAY 13, 2024

come from reactions of industrial pollutants (nitrogen oxides and sulfur oxides) with sunlight and unfinished fuel combustion. Ozone is formed when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react in sunlight, and it is exacerbated under higher temperatures that make ozone pollution worse in the summer.

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Union of Concerned Scientists

FEBRUARY 9, 2024

Gas plants and infrastructure emit nitrogen oxides (NOx) during combustion, which degrade local air quality. Gas plants and their associated infrastructure, including pipelines, production wells, and compressor stations, have had an extremely harmful impact on public health and the environment. First, there’s air pollution.

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Clean Energy Nitrogen Oxides Fossil Fuels Electricity 358