Green Car Congress

MAY 23, 2014

A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. Click to enlarge.

Pollution 362

Pollution Exhaust Emissions Light 362

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

MAY 4, 2016

A study by researchers from the University of Denver and the University of Puget Sound indicates that high-mileage light-duty fleets contribute higher emissions and emissions share than expected based on their actual numbers in the fleet.

Emissions 150

Emissions Fleet Light Taxi 150

Green Car Congress

JANUARY 12, 2014

EPA’s Office of Transportation and Air Quality (OTAQ) is soliciting proposals ( EPA-OAR-OTAQ-14-02 ) that achieve significant reductions in diesel emissions in terms of tons of pollution produced by diesel engines and diesel emissions exposure, from fleets operating at marine and inland water ports.

EPA 257

EPA Diesel Emissions Fleet 257

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

DECEMBER 3, 2021

The US Department of Energy (DOE) announced $35 million in funding for twelve projects focused on developing technologies to reduce methane emissions in the oil, gas, and coal industries. This would simultaneously reduce methane emissions and improve engine efficiency. Natural Gas Engines. Selection amount: $3,257,089).

Gas 186

Gas Emissions Engine Coal 186

Green Car Congress

NOVEMBER 28, 2013

In 2012, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), classified diesel engine exhaust (DEE) as carcinogenic to humans (Group 1). Diesel Emissions Health' Earlier post.). Our estimates suggest that stringent occupational and environmental standards for DEE should be set.

Exhaust 353

Exhaust Diesel Brazil 2000 353

Green Car Congress

JUNE 17, 2015

demonstrates that mandatory upgrades to diesel truck fleets serving the Port of Oakland are responsible for significant reductions in two major air pollutants. Pollutant concentrations were measured at high time resolution in the exhaust plumes of more than a thousand drayage trucks as they drove toward the Port on a major access road.

Oakland 150

Oakland Fleet Emissions Clean 150

Green Car Congress

JULY 11, 2011

A UCLA study of the performance of retrofit systems for diesel-powered school buses has found that while the systems significantly lowered tailpipe emissions, there was no unequivocal decrease for in-cabin air pollutants after retrofitting. —Zhang and Zhu. Environmental Science & Technology Article ASAP doi: 10.1021/es201070t.

Pollution 259

Pollution Emissions Diesel Exhaust 259

Green Car Congress

SEPTEMBER 23, 2015

Researchers at Oak Ridge National Laboratory (ORNL) have developed a ternary mixed oxide catalyst composed of copper oxide, cobalt oxide, and ceria (dubbed “CCC”) that outperforms synthesized and commercial platinum group metal (PGM) catalysts for CO oxidation in simulated exhaust streams while showing no signs of inhibition—i.e.,

Exhaust 150

Exhaust Low Cost Pollution Emissions 150

Green Car Congress

SEPTEMBER 5, 2016

New research by scientists at King’s College London suggests that air pollution from London’s roads is improving overall but more work may be needed to tackle some sources of traffic pollution, which continue to breach limits in many parts of the city. No data was available to compare trends in ΔPM 2.5 between the two periods.

London 150

London Pollution Parts Exhaust 150

Baua Electric

FEBRUARY 2, 2024

Saskatchewan’s capital city is moving forward with plans to electrify its Regina Transit fleet, signing a five-year contract with Nova Bus to acquire 53 battery electric city buses. The remaining 33 electric buses will be purchased after 2025 based on the City’s annual budget and fleet requirements.” million, with an additional $21.2

Fleet 52

Fleet Climate Change Electric Electrical 52

Green Car Congress

NOVEMBER 27, 2013

Based on on-road measurements in their study, a team from the University of California Berkeley has estimated that, as of 2010, light-duty (LD) gasoline vehicles were responsible for 85% of CO; 18% of NO x ; 18% of organic aerosol (OA); and 6% of black carbon (BC) emissions from on-road motor vehicles in the United States.

Gasoline 239

Gasoline Emissions Diesel San Francisco 239

Green Car Congress

SEPTEMBER 26, 2012

It, or a scaled-up version, could also provide a solution for the Asian motor vehicle fleet, in which two-stroke engine vehicles constitute a major share—and contribute significantly to air pollution. For one, the [California Air Resources Board] CARB-established limit of HC+NO x emissions in the 7.4 Oh and Plante.

Engine 329

Engine Emissions Fleet Market 329

Green Car Congress

FEBRUARY 7, 2020

The main conclusions in the 2020 report include: Engine and powertrain emission control technologies can enable simultaneous reductions in CO 2 and NO x by 2027. Commercially available engine efficiency technologies and advanced aftertreatment system designs can achieve a certification emission limit of 0.02 I apologize for the error.

Emissions 221

Emissions Fuel Economy Diesel 2019 221

Green Car Congress

APRIL 28, 2015

A trio of recently published studies from a team of University of Toronto engineers has found that air pollution could be spreading up to three times farther than thought, contributing to varying levels of air quality across cities. We used to think that living near a major road meant that you lived near a lot of air pollution.

Pollution 150

Pollution Emissions Canada 2015 150

Green Car Congress

NOVEMBER 21, 2014

EPA will fund: Verified Exhaust Control Technologies: up to 100% of the cost of eligible verified exhaust control technologies. Emissions Ports and Marine' Verified/Certified Engine Upgrades: up to 40% of the cost (labor and equipment) of eligible engine upgrades.

EPA 261

EPA Diesel Emissions Mariner 261

Green Car Congress

FEBRUARY 22, 2018

The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). Their study is publishedin the ACS journal Environmental Science & Technology. Yang et al.

Gasoline 253

Gasoline Emissions Engine Fuel Economy 253

Green Car Congress

MAY 2, 2014

The US Environmental Protection Agency (EPA) announced the availability of $9 million in grant funding for clean diesel projects to reduce diesel pollution and emissions exposure from the nation''s existing fleet of diesel engines. Under this funding, EPA anticipates awarding between 10 and 20 assistance agreements.

EPA 210

EPA Diesel Emissions Grant 210

Clean Fleet Report

DECEMBER 25, 2022

EV Fleets Will Change the Face of Trucking Forever. For over 100 years now, trucks have roared down America’s many highways, leaving clouds of dust and exhaust in their wake. The industry will never be the same once EV fleets are adopted. Perhaps the biggest advantage of electric fleets is fewer emissions.

Fleet 52

Fleet Gas-Electric Pennsylvania Commercial 52

Green Car Congress

SEPTEMBER 22, 2014

EPA’s Office of Transportation and Air Quality (OTAQ) is soliciting proposals ( EPA-OAR-OTAQ-14-07 ) that achieve significant reductions in diesel emissions in terms of tons of pollution produced by diesel engines and diesel emissions exposure, from fleets operating at marine and inland water ports located in areas of poor air quality.

EPA 210

EPA Diesel Emissions Clean Alternative 210

Green Car Congress

DECEMBER 23, 2013

FTP cycle-weighted tailpipe emissions of N 2 O, NO x , and the sum of NMOG and NO x. The minimum in NO x and NMOG emissions for midlevel ethanol blends points to future opportunities for emission reductions from FFVs. Credit: ACS, Hubbard et al. Click to enlarge. E40); and the new range for high-level ethanol blends (E55, E80).

Emissions 294

Emissions Ford Exhaust Engine 294

Green Car Congress

AUGUST 19, 2013

A study of motor vehicle emissions by researchers at UC Berkeley found that running CO and evaporative and tailpipe NMHC emissions from gasoline-powered vehicles in three major US urban centers (NY, LA and Houston) have decreased by almost an order of magnitude over the last twenty years, despite increases in fuel use.

Emissions 247

Emissions Los Angeles Motor Motors 247

Green Car Congress

OCTOBER 9, 2015

Dearman, the developer of the liquid air Dearman Engine—an innovative heat engine that uses liquid air (or liquid nitrogen) as a “fuel” and emits cold air as exhaust( earlier post )—has formed a technology partnership with Hubbard Products, Europe’s leading designer, manufacturer and supplier of commercial cooling equipment.

Transportation 150

Transportation Emissions Production Pollution 150

Clean Fleet Report

MARCH 24, 2023

Marion, OH Most people have heard of exhaust emissions, but there is another form of emissions released by vehicles known as non-exhaust emissions (NEEs). According to independent testing and data firm Emissions Analytics , they can be as much as 1,000 times worse for the environment. — Jack C.,

Exhaust 79

Exhaust Pollution Environment Emissions 79

Green Car Congress

JULY 22, 2015

paid $250,000 in penalties to the California Air Resources Board (ARB) for failing to follow proper testing procedures for one of its diesel exhaust filters, as required by state law. Navistar Inc. Navistar sold diesel particulate filters in California without proper testing at specified intervals, in violation of our air quality laws.

California 150

California San Diego Emissions Pollution 150

Green Car Congress

JUNE 22, 2017

The findings of a study by researchers at Carnegie Mellon University, with colleagues at UC Berkeley, suggest that changing atmospheric NO x levels over the next two decades will likely significantly reduce the effectiveness of stricter new gasoline vehicle emissions standards in reducing concentrations of secondary organic aerosol (SOA).

Cleaner 191

Cleaner Los Angeles Exhaust Gasoline 191

Green Car Congress

NOVEMBER 28, 2014

Measurements by Ricardo found that an older Euro III bus retrofitted with a selective catalytic reduction and continuously regenerating particulate trap system can be cleaner in terms of lower NO x emissions than newer Euro V hybrid buses. This may have implications for bus operators with depots in, or close to, low emissions zones.

Hybrid 299

Hybrid Pollution Emissions Exhaust 299

Green Car Congress

NOVEMBER 2, 2019

The California Air Resources Board (ARB) has put the Hybrid and Zero-Emission Truck and Bus Voucher Incentive Project (HVIP) on hold after receiving voucher requests for its entire $142-million budget. More than 100 truck and bus fleets requested funding for vehicles produced by more than 20 manufacturers.

California 207

California Fleet Cleaner Clean 207

Clean Fleet Report

APRIL 19, 2023

Improving Air Quality Air pollution has been linked to numerous health conditions that lead to increased medical costs. Electric vehicles with the greatest public health benefits include school buses and other forms of public transport since people usually breathe in exhaust fumes from conventionally powered vehicles while waiting to board.

Vehicles 84

Vehicles Tax Credit Arizona Pollution 84

Green Car Congress

MAY 23, 2014

According to the review by the discussion paper, 83% of particulate matter emissions in European Union countries and 97% in the US and Canada, are generated by other economic sectors—mainly the commercial, institutional and household sector. —“Diesel Engines Exhausts: Myths and Realities”.

Diesel 247

Diesel Exhaust Pollution Vehicles 247

Green Car Congress

JUNE 1, 2017

Traffic contributes more to NO x emissions in Europe than previously thought, according to a new study by a team at the University of Innsbruck. It has been a challenge to determine how much each polluter contributes to the emission output. An open-access paper on their work appears in Scientific Reports. —Thomas Karl.

Europe 150

Europe Diesel Emissions Pollution 150

Green Car Congress

MAY 26, 2016

and the Port of Los Angeles are launching the Green Omni Terminal Demonstration Project, a full-scale, real-time demonstration of zero and near-zero emission technologies at a working marine terminal. million grant from the California Air Resources Board (CARB) for reducing greenhouse gases and other pollutants. Components include a 1.03

Los Angeles 150

Los Angeles California Emissions Green 150

Blink Charging

NOVEMBER 28, 2023

Vehicle fleets across the United States are transitioning from internal combustion engine (ICE) to electric vehicles, and that includes school bus fleets. Many school districts use diesel buses for fuel efficiency, but even diesel exhaust was classified as a known carcinogen to humans in 2012. What about electric buses?

Fleet 60

Fleet Electric Electrical United States 60

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. Click to enlarge.

Climate 257

Climate Gas Emissions California 257

Green Car Congress

NOVEMBER 22, 2016

In California, Big Blue Bus (BBB) will receive $870,000 from the Mobile Source Air Pollution Reduction Review Committee’s (MSRC) Near Zero Engine Incentive Program. g/bhp-hr optional Near Zero NO x Emissions standards. g/bhp-hr optional Near Zero NO x Emissions standards. ISL G Near-Zero (NZ) 0.02 NO x engines. Earlier post.).

Purchase 150

Purchase Engine Los Angeles North America 150

Green Car Congress

DECEMBER 9, 2013

While technologies for low carbon buses such as hybridization offer the prospect of significant reductions in fuel consumption and CO 2 emissions compared to conventionally powered vehicles, the improvement in terms of regulated emissions (criteria pollutants) may not be as great, according to a new report by Ricardo.

Emissions 231

Emissions Hybrid Vehicles Carbon 231