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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.
University of Colorado Boulder researchers have developed nanobio-hybrid organisms capable of using airborne carbon dioxide and nitrogen to produce a variety of plastics and fuels, a promising first step toward low-cost carbon sequestration and eco-friendly manufacturing for chemicals. —Ding et al.
Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in fossil-fuel power plant exhaust, one of the main sources of carbon emissions in the atmosphere.
The project team also demonstrated that the engine reduces carbon dioxide by 10%. The cleaner engine is able to deliver ultra-low NO x by managing exhaust gas temperatures to ensure rapid catalyst light-off and by maintaining aftertreatment temperatures at optimum operating conditions in all driving conditions.
alumina supports along with a small amount of lanthanum oxide can efficiently turn the carbon monoxide in automotive exhaust into carbon dioxide at temperatures as low as 40 ?Celsius, At low temperatures, carbon monoxide builds up on the catalyst, decreasing its efficiency. Abhaya Datye , corresponding author and Prof.
European regulators have decided that carbon fiber should be on a shortlist of hazardous materials and are seeking to have it banned. Among the changes was an inclusion to ban the use of carbon fiber due to the fact that microscopic shavings can be produced whenever panels are destroyed or recycled.
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.
Exhaust gas after-treatment paired with innovative features inside the engine enables the GTI engine to meet the new EU 6AG (Euro 6d-TEMP) emission standard. After flowing through the turbocharger, the exhaust gas is fed directly into the particulate filter. It also comes with a gasoline particulate filter. The 85 kW / 115 PS 1.0
The fuel supply can be freely combined according to user needs and the basic conditions of fuel production, storage and transportation, which is a highly adaptable, flexible and controllable zero-carbon/low-carbon power solution. Li Hanyang, Secretary of the Party Committee and Chairman of Yuchai Group, ignited YCK16H.
However, LTC can also result in increased fuel consumption and emissions of carbon monoxide (CO) and hydrocarbons (HCs) because of the low combustion temperature. However, this effect diminished as mode transition proceeded from LTC to conventional combustion due to reduced exhaust back pressure.
. … Chemical analysis of the emissions shows that SOA is mainly produced via photo-oxidation of aromatic VOCs, present in gasoline, from the exhaust. Finally, we present the first online measurements of aged exhaust showing that SOA formation also produces reactive oxygen species (ROS) with potentially detrimental effects on our lungs.
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.
Panels show (a) PM 2.5 , (b) elemental carbon (EC), (c) NO x , (d) CO, (e) formaldehyde, and (f) sum of target VOCs. A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 Emission rates for the 1.7 L engines at idle. Credit: ACS, Chin et al.
Researchers have used a novel near-infrared light imaging technique to capture the first cross-sectional images of carbon dioxide in the exhaust plume of a commercial jet engine. At all thrust levels, a ring-structure of high carbon dioxide concentration can be seen in the central region of the engine. m in diameter.
Ford and DowAksa signed a joint development agreement (JDA) formally to advance research on cost-effective, high-volume manufacturing of automotive-grade carbon fiber, a material poised to play a significant role in the drive to make vehicles lighter. DowAksa is committed to bringing the benefits of carbon fiber to the industrial marketplace.
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. The ultra high-strength outer shell comprises two layers: an inner layer of carbon fiber-reinforced polymer (CFRP) and an outer layer of glass fiber-reinforced polymer (GFRP).
In addition to demonstrating better fuel consumption results than current advanced gasoline engines, the Omnivore engine has successfully demonstrated homogeneous charge compression ignition (HCCI) down to extremely light loads. bar load and has four-stroke-equivalent hydrocarbons and carbon monoxide emissions. Displacement.
The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. Ricardo and the University of Brighton will model and evaluate an advanced split-cycle combustion system aimed at substantially reducing the carbon emissions of heavy-duty vehicles. Click to enlarge.
In-use testing of three light duty diesel vehicles—certified to US-EPA Tier2-Bin5 and California LEV-II ULEV emissions limits— found a wide variation in real world emissions performance relative to the regulatory limits. Kappanna (2014) “ In-use emissions testing of light-duty diesel vehicles in the US ”. diesels and one 3.0L
Through the High-Performance Computing for Manufacturing (HPC4Mfg) Program, selected teams will help manufacturers shrink their carbon footprint, streamline their processes, and increase innovation—from optimizing the performance of equipment used in chemical manufacturing to improving the fuel efficiency of vehicles. All Selectees.
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. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system. Overall, the engine offered a 13.1%
The global economic recession of 2008—which severely depressed light-duty vehicle sales—resulted in an increase in the age of the light-duty vehicle fleet in the US that likely slowed the rate of decrease of fleet average emissions, according to a study by Gary Bishop and Donald Stedman at the University of Denver.
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.
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).
Renault has further improved the fuel economy of its diesel-powered light commercial van Kangoo and Kangoo Express with the ENERGY dCi 71 and 90 models. liter engine also features low-pressure exhaust gas recirculation (EGR), DLC-coated (Diamond Like Carbon) cam followers, and ANI fuel injection nozzles (with individualized spray cone angle).
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.
This project will optimize fuel-based control of novel combustion strategies in light- and heavy-duty vehicles to enable diesel-like efficiencies with ultra-low engine-out emissions. Light-weighting materials. Increased availability of low cost carbon fiber can enable vehicle weight reduction and improvement in fuel economy.
The backhoe loader is perfectly suited for electrification as the varied use cycles, from heavy to light work, provide an excellent opportunity to convert wasted diesel engine hours into zero consumption battery time—yet provide the operator with instantaneous torque response when needed.
A team led by researchers from the National Research Council Canada has investigated the effect of the use of a gasoline particulate filter on the size and morphology of PM emitted from a light-duty gasoline-direct-injection (GDI) vehicle over the FTP-75 and US06 transient drive cycles. —Saffaripour et al. Meghdad Saffaripour, Tak W.
Even for consumer light-duty vehicles, particularly larger size passenger vehicles, limited access to charging infrastructure and/or the substantial recharge time may drive continued demand for alternatives. Source-to-Tank cost comparison of carbon-neutral transportation fuels. —Zhao et al. Zhao et al. —Zhao et al.
Their structural characterization was performed at Brookhaven’s Center for Functional Nanomaterials and the National Synchrotron Light Source. Currently, in catalytic convertors used to treat exhaust gases, 5 to 10 grams of platinum is used. This level of activity and stability indicates that this is a practical catalyst.
Special Starship features include: Bespoke 100% hyper-aerodynamic carbon fiber cab. on the tractor, powering the normal truck loads such as lights, wipers, blower motors, gauges, air conditioning and heating, microwaves, and other electrical components. Active grill shutters (active based on temperature to maximize.
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. In their study, Bishop et al. Credit: ACS, Bishop et al. Click to enlarge. —Bishop et al.
The main fan is a total of 8 meters in diameter with 12 hollow carbon fiber fixed-pitch blades and driven by a five-megawatt, 6700 horsepower electric motor. The 5-belt module consists of belts under each wheel and one belt running underneath the vehicle; it’s used to test the aerodynamic performance of passenger vehicles and light trucks.
The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. Heavy duty vehicles, such as long haul trucks, represent a significant challenge in terms of the reduction of carbon dioxide emissions. Source: Neville Jackson. Click to enlarge. HeatWave II.
The materials and metals demanded by a low-carbon economy are projected to be immense and create challenges along the full supply pathway. There is no immediate concern for copper resources, but the average ore grade is declining as higher grade deposits become exhausted.
Assuming a mass-produced fuel-efficient vehicle, the FT-Bh body structure makes greater use of high-tensile-strength steel and does not require expensive materials such as carbon fiber for weight reduction. Due to small amount of heat generated by high-efficiency engines, heat from both the engine and exhaust is used for heating the interior.
million) FLITES (Fibre-Laser Imaging of Gas Turbine Exhaust Species) research project, which aims to establish the capability to map several exhaust species from airplanes using tomographic imaging. The University of Manchester (UK) is leading the £2.7 million (US$4.24
Friction losses, which account for 20% of the power consumed by the engine, have been reduced in several ways: using a Diamond-Like Carbon coating; making moving parts lighter; and using bearings to guide rotating parts. LED light modules at front and rear replace the existing lights. Hybrids Hydraulic Hybrid Weight reduction'
The Advanced Lead Acid Battery Consortium (ALABC) last month showcased three hybrid electric concept vehicles resulting from its R&D program that demonstrate the real-world potential of lead-carbon batteries in 48V architectures. All three vehicles feature advanced lead-carbon batteries, also known as carbon-enhanced lead-acid batteries.
CPT recommends a combination of the highly dynamic electric supercharger in series with a conventional exhaust-driven turbocharger to optimize the overall response of the system, compared to other air charging methods. The Aeristech turbocharger can cope with a variable ratio of exhaust gas to inlet air volume.
Ricardo will display the first functional integration prototype of the Advanced Diesel Electric Powertrain (ADEPT) collaborative research project ( earlier post ) in public for the first time this week at the Low Carbon Vehicle Event (LCV 2014) in the UK. 48V Diesel Fuel Efficiency'
However, as the carbon intensity of the EU energy mix is projected to decrease, the life-cycle emissions of a typical electric vehicle could be cut by at least 73% by 2050. In future, with greater use of lower carbon electricity in the European mix the typical GHG emissions saving of BEVs relative to ICEVs will increase.
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