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
Although gasoline direct injection engines (GDI) are a favorable technology for reducing fuel consumption and greenhouse gas emissions, recent studies have shown that GDI vehicles could emit more PM than traditional PFI (gasoline port fuel injection) vehicles as well as heavy-duty diesel trucks equipped with diesel particulate filters.
Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.
For a battery EV, 46% of its total carbon footprint is generated at the factory, before it has travelled a single mile. The study found that some of the CO 2 savings made during the use of low carbon vehicles is offset by increased emissions created during their production, and to a lesser extent, disposal. Standard gasoline vehicle.
A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. When tested, the device reduced carbon monoxide (CO) by 87%; NO x by 67% and particulate matter (PM) by 44%.
The engine of the quasi-monovalent drive system is powered primarily with CNG (Compressed Natural Gas), but can also run on gasoline. The Golf TGI is also equipped with a gasoline tank with a useful capacity of 9 liters (2.4 Driving in CNG mode produces around 25% fewer carbon emissions than with gasoline. The new 1.5L
Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. liter gasoline direct injection engine. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system.
Petrobras launched new regular and premium ultra-low-sulfur gasoline throughout Brazil on 1 January 2014, entirely replacing the previous regular and premium gasoline. California, Europe, Japan, South Korea, and several other countries have gasoline sulfur limits of 10 ppm. Earlier post.). Click to enlarge. billion (US$8.7
Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. NexTech Materials of Lewis Center, Ohio, has developed a new diesel engine exhaust NO x sensing technology that is able to rapidly and selectively measure nitrogen oxides in diesel engine exhaust streams. Lead organization. Description.
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.
We are working toward achieving carbon neutrality by 2050. Hydrogen engines house the potential to be carbon-neutral while keeping our passion for the internal combustion engine alive at the same time. Hydrogen: not a stand-in for gasoline. Earlier post.). November 2021 hydrogen engine prototype. The unit is based on the 5.0-liter
By harnessing its low carbon content, bio component and high octane number (RON 100), the new alternative fuel emits up to 3% less in CO 2 exhaust emissions quantified using the new Worldwide Harmonized Light Vehicle Test Procedures (WLTP).
Results of a study led by a team from the National Renewable Energy Laboratory on the impact of butanol-gasoline blends on light-duty vehicle emissions suggest that widespread deployment of n-butanol or i-butanol in the gasoline pool could result in changes to the estimated emissions of alcohols and carbonyls in the emissions inventory.
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. This is supplemented by the additional range offered by the reserve gasoline tank with a net usable volume of 9 liters (2.4 The A3 Sportback 30 g-tron 1.5 lb-ft) of torque between 1,400 and 4,000 rpm.
Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The study determined that, depending on a region’s fuel use, diesel exhaust is responsible for 65% to 90% of vehicular-derived SOA, with substantial contributions from aromatic and aliphatic hydrocarbons. Gentner et al. Click to enlarge.
The ORNL team conducted engine experiments with both 91 RON E10 gasoline and liquified petroleum gas (LPG). 1) with cooled exhaust gas recirculation (EGR) and high compression ratio (13.3:1 1 for LPG only) improved engine efficiency by up to 30% compared with a production turbocharged gasoline direct injection spark ignition engine.
The University of Bath and SAIC Motor UK Technical Centre are collaborating on a project to identify the most efficient conditions for the optimum performance of gasoline particulate filters (GPFs), to help minimize vehicle impact on the environment.
Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Diesel engines are attractive because of their higher fuel efficiency than gasoline engines. CO 2 + 2NO, NO 2 + C?CO Graham, Burtron H. 1225091.
The 85 kW / 115 PS gasoline-fired engine is the first of its kind to be combined with a four-way catalytic converter and installed in the up! It also comes with a gasoline particulate filter. With a pressure of 350 bar (high for a gasoline engine), the fuel mixture is injected directly into the combustion chambers.
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.
(Left) Thermal efficiency and ( right ) soot from different gasoline-butanol blends at different EGR rates. A study by a team at Tianjin University found that the addition of n-butanol to gasoline for use in a compression ignition engine (CI) under Low Temperature Combustion (LTC) conditions has a significant effect on soot reduction.
A new study by an international team led by researchers from the Paul Scherrer Institute (PSI) in Switzerland has found that modern diesel passenger cars equipped with diesel particulate filters (DPFs) emit fewer carbonaceous particulates than gasoline-powered vehicles. HC), NO x and carbon monoxide (CO) at 22 °C and −7 °C.
A new study by researchers from Washington State University and SLAC National Accelerator Laboratory has found that a catalyst using a single or just a few palladium atoms removed 90% of unburned methane from natural gas engine exhaust at low temperatures. The work is published in the journal Nature Catalysis.
There are widespread policy assumptions that the phase-out of gasoline and diesel internal combustion engines will over time lead to much reduced emissions of Volatile Organic Compounds (VOCs) from road transport and related fuels. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g.,
The European Union-funded PowerDriver project—a two-year, €3-million (US$4-million) research project initiated in February 2012 to turn exhaust gas waste heat into electricity using thermoelectric generator (TGEN) technology—has completed simulation work on on a potential automotive application.
T-Jet gasoline—and a dual fuel LPG/gasoline variant of the 1.4 The exhaust gas treatment system implements close-coupled DPF technology which efficiently integrates the oxidizing catalytic converter and the particulate filter (CCDPF). MultiJet II turbodiesel and the 1.4 MultiJet II. New 120 HP 1.4 Turbo Petrol LPG.
35% reinforcing agents/fillers such as carbon black or silica; and 15?20% Another material known to contain PAHs used in tire manufacturing is carbon black. Data available of dibenzopyrenes in other urban emission sources are diesel and gasoline particulate emissions. Non-exhaust traffic sources of particles. and 0.90?
If a ban were introduced on the sale of new gasoline and diesel cars, and they were replaced by electric cars, the result would be a significant reduction in lifecycle carbon dioxide emissions primarily due to reduced tailpipe CO 2 emissions, according to a new lifecycle study by researchers at Chalmers University of Technology, Sweden.
liter engine, the HR12DDR, which aims to achieve the lowest level of fuel consumption in the world for gasoline-powered cars while delivering power output equivalent to that of a 1.5L Click to enlarge. Nissan Motor Co., unveiled a newly developed 1.2-liter engine and CO 2 emissions of 95 grams per kilometer (New European Drive Cycle).
The EALABC focus is on the environmental and cost benefits of current and future advanced lead-carbon batteries for 48V hybrid vehicles. Advanced lead-carbon batteries for vehicles currently under development will be capable of operating in the 30 to 70% SoC range at 12.5kW. Click to enlarge.
Peugeot’s new 2008 B-Segment urban crossover, introduced at the Geneva Motor Show, leverages its light-weight design, aerodynamic silhouette and a wide range of gasoline and diesel engines equipped with Stop&Start—including a new generation of 3-cylinder gasoline engines—to offer fuel consumption and CO 2 emissions as low as 3.8
As a back-up, both models come with a gasoline tank – albeit a much smaller version. Driving in CNG mode produces around 25% fewer CO 2 emissions than with gasoline. Furthermore, natural gas generally combusts with less emissions than gasoline or diesel. On the Polo with 1.0 liters and extends the natural gas storage to 91.5
A team from Brunel University, MAHLE Powertrain and University College London studied the combined effects of different inlet valve operating strategies on combustion, performance and emissions with different ethanol and 1-butanol blends with gasoline in a single-cylinder spark-ignition research engine equipped with a fully variable valvetrain.
By focusing on the implementation of an extremely pragmatic and synergistic mix of powertrain electrification using available and near-market technologies, we have already shown in the HyBoost project the very significant and cost-effective benefits that can be achieved in a gasoline powertrain and 12+X volt electrification.
As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance.
Secondary air systems are used to reduce gasoline engine emissions by accelerating catalytic converter heat-up. The latter allows secondary air injection across a much wider engine map range and hence, at any given point in time, the precise air mass required for accelerating converter heat-up is injected into the exhaust system.
Global-mean temperature change caused by car exhaust emitted from gasoline and diesel engines specified in the previous and upcoming European vehicle emission standards (EURO 3, 4, 5, and 6). black carbon, BC—climate forcers. Credit: ACS, Tanaka et al. Click to enlarge. CO 2 —and short-lived—e.g.,
V8 engine that seamlessly transitions between CNG and gasoline fuel systems. With both CNG and gasoline tanks full, the trucks offer a range of more than 650 miles. The Vortec engine features hardened exhaust valves and hardened intake and exhaust valve seats. The vehicles feature a CNG-capable Vortec 6.0L
Under the LCFS, the baseline CI value for gasoline was 95.86 Staff estimated the carbon intensities (CIs) for biomethane produced under two alternative scenarios; under the first scenario, the CI of biomethane is 10.86 g CO 2 e/MJ; for diesel fuel, 94.71 g CO 2 e/MJ. g CO 2 e/MJ; under the second, the CI is -65.27
Fuel-cycle SO 2 emissions of EVs compared to those of gasoline ICEVs and HEVs in China, current (left) and future (right). The study examined the fuel-cycle CO 2 , SO 2 , and NO x emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids.
Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. Automobile exhaust is also a known source of inorganic acids such as nitric (HNO 3 ) and nitrous (HONO) acids.
Operating range of 2-stroke CAI fueled with gasoline, E10 and E85. Accordingly, the processes have been extensively researched over the last decade and adopted on prototype gasoline engines (e.g., To minimize the air short-circuiting rate, the intake and exhaust valve timings were adjusted. Zhang et al. 2013a) Click to enlarge.
A study by a team from UC Riverside has assessed the potential of increasing ethanol content in California reformulated gasoline (CaRFG) by investigating the exhaust emissions from a fleet of 20 Tier 3 light-duty vehicles. A baseline CaRFG E10 (10% ethanol by volume) fuel was splash-blended with denatured ethanol to create an E15 fuel.
Ford’s all-new 2011 Ford F-Series Super Duty trucks are equipped with new diesel and gasoline engine powertrains that deliver improvements in torque, horsepower and fuel economy. liter V-8 gasoline engine also boasts best-in-class numbers of 405 lb-ft (549 N·m) of torque at 4,500 rpm and 385 hp (287 kW) at 5,500 rpm. Click to enlarge.
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.
230 
Let's personalize your content