This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
A study by researchers at the University of Texas found that in general, use of plug-in hybrid electric vehicles (PHEVs) can lead to an increase in ozone during nighttime hours (due to decreased scavenging from both vehicles and EGU stacks) and a decrease in ozone during daytime hours.
The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. The space industry is one of the world’s fastest growing sectors.
Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. Ozone concentration increases were modeled for small areas near central Denver.
The global market for rocket launches may require more stringent regulation in order to prevent significant damage to Earth’s stratospheric ozone layer in the decades to come, according to a new study by researchers in California and Colorado. Darin Toohey.
OptiFuel Systems, a system integrator of Cummins and BAE Systems hybrid power products for decarbonizing the rail, marine, and microgrid power market, is in the process of finalizing a $2.6 million US Department of Energy (DOE) grant to demonstrate a pre-production Renewable Natural Gas (RNG) hybrid 4,300 hp line-haul locomotive.
The coordinated package of regulations will reduce emissions of greenhouse gases and ozone- and smog-causing pollutants from new passenger cars, trucks, and SUVs starting in model year 2026.
million in rebates for plug-in hybrid and zero emissions vehicles as part of an overall $42.3 battery electric or fuel cell) and plug-in hybrid light-duty vehicles and up to $20,000 for the purchase of ARB-certified or approved zero-emission commercial vehicles on a first-come, first-served basis.
At cruising altitude, airplanes emit a steady stream of NO x into the atmosphere, where the chemicals can linger to produce ozone and fine particulates. Due to its size, any SCR system will likely need to be housed in the aircraft body, potentially making it most suitable for future hybrid- or turbo-electric aircraft designs.
Researchers from the Norwegian University of Science and Technology (NTNU) have performed life cycle assessments (LCA) of three batteries for plug-in hybrid (PHEV) and full performance battery electric (BEV) vehicles. Credit: ACS, Majeau-Bettez et al. Click to enlarge. Guillaume Majeau-Bettez, Troy R.
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. Hybridization. An 80% reduction of GHG emissions is targeted for 2050, relative to 1990 levels.
million for a Tier 4 freight switcher locomotive or engine repower, and up to $1 million for a Tier 4, or hybrid with Tier 4-equivalent NO x emissions, ferry, tugboat, or towboat engine repower. $10 More than 10 million Californians live in areas in extreme non-compliance areas for ozone. Staff proposes up to $1.35
Marine engines are responsible for the emission of many tons of nitrogen oxide (NO x ), an ozone-forming compound, as well as particulate emissions (soot) into the New York airshed. The program will implement emissions control technologies on private ferries operating in New York Harbor.
Applicants will be expected to collect data under real world cargo transport conditions in the prime applicant’s 8-hour ozone non-attainment area. systems in roadbeds or rail lines that propel trucks or trains. This funding opportunity is open to local governments and private companies, with federal funds matched in a 50% cost share.
Each of the four recipients will match a percentage of the grant amount with their own funds to purchase compressed natural gas-powered vehicles; retrofit diesel engines with cleaner technology; replace older, more polluting diesel buses with cleaner diesel buses; or purchase hybrid electric-powered buses.
Researchers at the University of Texas believe that the use of plug-in hybrid electric vehicles will increase ozone during night-time hours while decreasing ozone during the day. Ozone is formed as hydrocarbons and nitrogen oxides react with sunlight as they are emitted into the air.
For passenger vehicles, the State SIP Strategy includes actions to increase the penetration of plug-in hybrid electric vehicles (PHEVs) and ZEVs, including battery-electric and hydrogen fuel cell electric vehicles. emissions by more than 20%. emissions by more than 20%.
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.
As the economies of scale disappear for ICE, so too will they disappear for hybrids that depend on the existence of ICE. Swapping out CO2 for other toxins like ozone and nitrogen oxides is not a solution. As a BYD investor, I'm upset to see them waste so much money on dead technologies like PHEVs/EREVs.
This problem is even more pronounced in hybrid-electric vehicles, which require special measures to address evaporative emissions as the gas engine only operates intermittently, creating the need to store pressurized fuel vapor. A Fuel Tank Isolation Valve is offered for use in hybrid electric vehicles.
As the economies of scale disappear for ICE, so too will they disappear for hybrids that depend on the existence of ICE. Swapping out CO2 for other toxins like ozone and nitrogen oxides is not a solution. As a BYD investor, I'm upset to see them waste so much money on dead technologies like PHEVs/EREVs.
UCS advocates relentlessly for cleaner gasoline vehicles and dismisses plug-ins of all sorts, the Sierra Club strikes deals with Ford to promote a few thousand gasoline-dependent hybrids in exchange for advertising dollars, and the NRDC jumped on the biofuels bandwagon just as the cost of corn ethanol became impossible to ignore.
One hybrid electric vehicle (HEV) equipped with a PFI engine was also used. Calculated NMOG and ozone forming potential (OFP) emissions data were not included in the comprehensive statistical analysis, but were examined for fuel effects using a two-sample equal variance t-test. SULEV30, ULEV50, ULEV70, and ULEV125).
life-cycle study of three Li-ion battery chemistries for plug-in hybrid (PHEV) and battery-electric (BEV) vehicles generated a number of findings and identified opportunities for improving the environmental profile of Li-ion batteries for use in plug-in and electric vehicles. Source: “Application of LCA to Nanoscale Technology”.
With the third generation Nautilus now coming in a hybrid variant, you can add fuel efficiency for long comfortable road trips. Our time in the midsize 2024 Nautilus Black Label AWD Hybrid was a smooth and quiet experience, with a lush ride and all the features expected in an $80,000+ vehicle.
The on-road transportation (ORT) and power generation (PG) sectors are major contributors to CO 2 emissions and a host of short-lived radiatively-active air pollutants, including tropospheric ozone and fine aerosol particles, that exert complex influences on global climate. Unger et al. Click to enlarge.
15 million for medium- and heavy-duty electric truck and hybrid vehicle demonstration projects. $12 Currently, the state’s transportation sector accounts for nearly 40% of the state''s greenhouse gas emissions; more than 95% of all transportation energy consumed in California is petroleum-based. 12 million for natural gas vehicle incentives.
This study builds on the 2007 Environmental Assessment of Plug-in Hybrid Electric Vehicles by EPRI and NRDC ( earlier post ), which showed that plug-in hybrid electric vehicles could contribute to reductions in national greenhouse gas emissions, while also leading to improved air quality. levels throughout the United States.
Many ports and related freight corridors and facilities are located in nonattainment or maintenance areas for EPA’s ozone and PM 2.5 In 2030, adding plug-in hybrid electric vehicles to these fleets could yield even more NO x and PM 2.5 national ambient air quality standards (NAAQS). Source: National Port Strategy Assessment.
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. Current Legal Requirement for Use of Anhydrous Ethanol in the United States. 40 CFR § 80.27 addresses controls and prohibitions on gasoline volatility.
ARB staff developed this strategy using a multi-pollutant scenario planning tool ( Vision 2.0 ) that quantifies changes in ozone and PM 2.5 precursor emissions; GHG emissions; petroleum usage; and diesel toxics emissions as various technologies become widespread in vehicle and equipment fleets. Vision 2.0 Click to enlarge. Passenger vehicles.
NO x is a precursor for both ground level ozone and secondary PM 2.5 Technologies such as CDA and 48V mild hybridization can enable simultaneous NO x and CO 2 reduction, and once implemented, these technologies will deliver fuel savings to truck owners. g/bhp-hr and a Low Load Cycle (LLC) limit below 0.2 g/bhp-hr.
Hybrid vehicle systems have demonstrated significant fuel consumption and emissions reductions in a number of MHDV applications, but their cost prohibits commercial deployment, especially at foreseeable fuel prices. The 21CTP hybrid team is considering a proposal to restructure its mission and focus, which the committee supports.
Another one of the 13 projects is led by Sepion Technologies, which will partner with LBNL to make new membranes to increase the lifetime of Li-S batteries for hybrid airplanes. High-performance computing offers critical new insight into these phenomena, which in turn will accelerate the product’s entry into the market.
The committee that wrote the report focused on monetizing the damage of major air pollutants—sulfur dioxide, nitrogen oxides, ozone, and particulate matter—on human health, grain crops and timber yields, buildings, and recreation.
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 exhaust contains a variety of harmful gases and more than 40 other known cancer-causing substances.
In addition, other studies have shown that increases in PM 2.5 , NO 2 , and ozone were associated with lower test scores that were “equivalent to the effects of short-term reductions of thousands of dollars in district median household income.”
times more likely than a white person to live in a community with a failing grade on all three of the report’s measures for air pollution—short-term particle pollution, long-term particle pollution, and ozone. ” But the organization is now pushing for stricter national limits on ozone pollution as well.
In the release, Colorado clarifies that it includes battery-electric, plug-in hybrid electric and fuel cell electric as what it refers to as zero-emission options. The state will also direct manufacturers to increase zero-emission light-duty vehicle sales starting in 2027, with goals increasing each year during the five-year period.
New blog post: Ozone concentrations can impair healthy lungs [link] #. New blog post: Hybrid taxi company opens in Scotland [link] #. green cars # electric cars # hybrid cars: CO2 data aids car choice [link] #. . green cars # electric cars # hybrid cars: CO2 data aids car choice [link] #.
Now it is going to convert all 5,065 taxis to run on natural gas by the end of the year - since last year Dubai has been replacing its existing taxi fleets with eco-friendly cars that run on hybrid engines. The taxis and buses to be introduced by Sharjah will provide further incentives for people to opt for cars with a healthier track record.
ozone depletion potential (ODP). photochemical ozone creation potential. Click to enlarge. A total of five environmental impact categories were identified as relevant and were then assessed in the study: eutrophication potential (EP). acidification potential. global warming potential for a reference period of 100 years (GWP).
Researchers were able to track that data via a network of sensors around the Bay Area that monitor both CO2 and five critical air pollutants: carbon monoxide, nitrous oxides (NO and NO 2 ), ozone, and particulates (PM 2.5). According to the research, by comparing the air pollution and CO2 data, the sensors help determine the emission source.
EVs don’t emit any harmful pollutants to the environment like soot, hydrocarbons, lead, ozone, carbon monoxide, or volatile organic compounds. These charge points will come in handy for plug-in hybrids and EVs. Besides fuel cost savings, you might want to purchase an EV because of its low carbon footprint.
Im gonna post a couple excerpts here: Most ozone pollution is caused by motor vehicles, which account for 72% of nitrogen oxides and 52% of reactive hydrocarbons (principal components of smog). (7, but its never even been close to the amount of garbage that gas power vehicles produce.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content