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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.
Among their conclusions was that the combination of ethanol or isobutanol with renewable hydrocarbon components (i.e., drop-in biohydrocarbons) could offer an option to achieve a high-bioenergy-content gasoline that is compatible with conventional gasoline-fueled cars (i.e., Neste Oil provided the renewablegasoline component.
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. Graham, Burtron H. Science 337 (6096), 832-835. 1225091.
(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.
HEDGE-III will investigate solutions to the primary barriers to high efficiency in gasoline engines. Southwest Research Institute (SwRI) has launched its third cooperative research program aimed at developing a high-efficiency gasoline engine for the light-duty automotive and medium-duty engine markets. Source: SwRI. Click to enlarge.
Fuel injection timing is the dominant factor affecting particle number (PN) emissions from gasoline direct injection (GDI) engines, with the major factor causing high PN emissions being fuel liquid impingement on the piston bowl, according to a new study by a team from the US National Renewable Energy Laboratory (NREL). Earlier post.).
In a paper published in the ACS journal Energy & Fuels , they describe the strategy, and then apply it to identify potential renewable oxygenates and hydrocarbons obtained from heterogeneous catalysis of biomass that can be blended with gasoline to satisfy ASTM specifications. —Marvin et al. —Marvin et al. Resources.
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.
At the tailpipe, the TWC ultimately reduced the regulated and unregulated emissions from the methanol-gasoline engine to the same levels as those generated by a conventional gasoline engine. A paper on their study was published online 3 December in the ACS journal Energy & Fuels. —Fan et al.
The Biotechnology Industry Organization’s (BIO) World Congress on Industrial Biotechnology and Bioprocessing, held this week in Washington DC, highlighted a range of developing pathways for the production of renewable drop-in hydrocarbon fuels for transportation. Elevance Renewable Sciences, Inc. Earlier post.) Earlier post.)
Neste, currently largest producer of renewable drop-in fuels (primarily diesel) with its NEXBTL platform ( earlier post ), has filed a patent ( US20150144087 ) on a gasoline composition (and the method for making it) comprising up to 20 vol% (preferably from about 10-15 vol.%), of paraffinic bio-hydrocarbons originating from the NEXBTL process.
This work dispels the myth that low carbon vehicles simply displace emissions from the exhaust to other sources. For a current standard mid-sized gasoline ICE (internal combustion engine) vehicle, the embedded carbon in production will be around 5.6tCO 2 e, around three quarters of which is the steel in the vehicle glider. production.
The paper was commissioned by the Bipartisan Policy Center (BPC) as part of a yearlong effort aimed at fostering “ constructive dialogue and action ” on reforming the Renewable Fuel Standard (RFS2). The others are: Petroleum and Renewable Fuels Supply Chain , Stillwater Associates LLC. The ICCT ethanol paper. The ICCT ethanol paper.
We are certainly in revolutionary times, but it is clear that power generation sources will not become fully renewable and transport will not become fully electric for several decades, if ever. A transition from the gasoline or diesel ICE to a full gasoline/diesel hybrid can significantly reduce emissions. —Reitz et al.
Promoting renewable energy and circular economy—including the shared use of vehicles and product design that supports reuse and recycling—will help maximize the benefits of shifting to electric vehicles, according to the report. —“Electric vehicles from life cycle and circular economy perspectives”.
FHI) has developed a third-generation boxer (horizontally opposed) engine—the first overall renewal for the platform in 21 years. This new-generation 4-cylinder gasoline engine was entirely renewed, starting from the basic structure to allow a longer stroke than current engines. Third-generation Subaru Boxer engine.
The US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) announced up to $30 million in funding for a new program for technologies that use renewable energy to convert air and water into cost-competitive liquid fuels. ( DE-FOA-0001562 ). hydrogen or electricity). H 2 via SMR. NH 3 via Haber-Bosch. Electricity.
And thanks to the technology’s compatibility with renewable bio-methane, it makes it an important part of the fuel mix as we move towards low emission mobility. A CNG vehicle reduces CO 2 emissions by about 25% compared to a gasoline-driven equivalent. —Luca de Meo, President of SEAT.
Furthermore the technology is compatible with the use of quality-assured, renewable biomethane, ensuring the long-term future of CNG as an alternative for low emission mobility. liter TSI gasoline version, but integrates components that allow it to run on compressed natural gas. —Luca de Meo, President of SEAT. Internally, the 1.0-liter
The Lotus Range Extender engine features an innovative architecture comprising an aluminum monoblock construction, integrating the cylinder block, cylinder head and exhaust manifold in one casting. Integrated Exhaust Manifold. An integrated exhaust manifold has potential to: Reduce parts count: 18 fewer components resulting.
As a result of the Renewable Fuel Standard program, increased emphasis will be placed at the EPA Laboratory on testing vehicles operated on renewable fuels at both cold-temperature and high-temperature conditions.
While methanol production from fossil raw materials is common practice in the chemical industry, it is still in the development stage on the basis of renewable energy sources, although it already has a high technology readiness level. Hardware-in-the-loop test rig for the qualification of fuels. Photo: TEC4FUELS.
Heat required to bring the fuel to SC states is recovered from the exhaust gas of the engine. Given the high reactivity of diesel fuels compared to gasoline, the ignition and combustion of pre-mixed fuel-air charges poses a challenging control problem. Earlier post.). At SC conditions, however (T?450 450 °C, P ?600 DEER 2009).
By using light-activated quantum dots to fire particular enzymes within microbial cells, the researchers were able to create “living factories” that eat CO 2 and convert it into products such as biodegradable plastic, gasoline, ammonia and biodiesel. Schematic illustration of the formation of QD-bacteria nanorgs. Ding et al. 9b02549.
Under the LCFS, the baseline CI value for gasoline was 95.86 In this model, the majority of the biogas is allocated to the production of renewable power using a device such as a gas-fired turbine with an exhaust heat recovery system. g CO 2 e/MJ; for diesel fuel, 94.71 g CO 2 e/MJ. g CO 2 e/MJ—i.e., Background.
Volkswagen used a newly developed three-cylinder gasoline engine with 999 cc displacement (EA211 engine series). Although the 12-valve engine was specially configured to operate with natural gas, as an alternative it can be fueled with unleaded premium gasoline. Like the gasoline engines of the up!, For the eco up!,
According to a new study by Bosch, the use of e-fuels—synthetic fuels based on renewable energy—in Europe by 2050 as a scheduled supplement to electrification could save up to 2.8 In this way, the cost of exhaust-gas treatment can be reduced, Bosch adds. The same applies to the existing combustion-engine expertise.
liter and high torque of 66 kW (90 PS) that is being shown at the Vienna Motor Symposium is bivalent: it can be run on gasoline or CNG. A key factor in its low emissions is the optimum conversion of the methane in the exhaust gas. e-gas is ideal for making renewable power usable for the transport sector and for storing it.
Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. The first testing phase of Lotus Engineering’s Omnivore variable compression ratio, flex-fuel direct injection two-stroke engine ( earlier post ) has been successfully completed on gasoline. Click to enlarge.
Our test shows that as well as electric driving on renewable electricity, there are other concepts that permit long-distance, low-emission driving. During each of up to 3,000 revolutions per minute in the research engine, a minute amount of fuel shoots into the glass cylinder, is compressed and ignited, and the exhaust gas then expelled.
Audi’s basic goal is to combine renewable energy (e.g. Energiewende”, the term applied to Germany’s policy of transitioning to an energy portfolio dominated by renewable energy (as well as a shift to more distributed generation), thus also applies to the vehicle fuel tank for Audi’s e-fuels, Mangold suggests. Click to enlarge.
The US Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy’s (EERE’s) Vehicle Technologies Office (VTO) issued an Incubator Funding Opportunity Announcement (FOAs) for a total of approximately $10 million. ( Temperature Combustion (LTC), (2) Dilute Gasoline Combustion, and (3) Clean Diesel Combustion.
Lux Research has investigated the trends of corporate financing of alternative fuels from oil majors, based on a non-exhaustive database of more than 1,000 deals and partnership engagements from 2000 through September, 2014. Shell shifted its shares in Codexis to Raizen, its ethanol JV with Cosan.
After renewing existing technologies, such as engines and bodies, Step One of the Building Block Strategy is idling stop technology (i-stop), Step Two is regenerative braking technology, and Step Three is electric drive technology (hybrid, etc.). CX-5 customers can also select the direct injection SKYACTIV-G gasoline engine.
The organization explain that ethanol blends can be created in two ways: by adding more ethanol to a product approved for commercial use, such as E10 (“splash blending”); or by adjusting the gasoline blendstock first to match certain selected parameters (“match blending”). Nearly all US gasoline is produced by splash-blending 10% ethanol.
A dynamic driving style demands an equally dynamic recirculation of exhaust gases. With a combination of high- and low-pressure exhaust-gas recirculation, the air-flow management system becomes even more flexible. To ensure optimum NO x conversion, the exhaust gases must be hotter than 200 degrees Celsius. —Volkmar Denner.
renewable isobutanol in marine engines. The testing was also supported by The US Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy (EERE), and Argonne National Laboratory (ANL). No engine exhaust emissions failures, durability issues or run ability issues were experienced during the multi-year test program.
The largest single award ($10 million) goes to Delphi Automotive Systems to further the development of its Gasoline Direct-Injection Compression Ignition (GDCI) low-temperature combustion technology ( earlier post ) that provides high thermal efficiency with low NO x and PM emissions. National Renewable Energy Laboratory. 10,000,000.
By Audi’s calculations, the 22,000 current owners of the two Audi TDI models in the US have saved 4,583,773 gallons of gasoline and counting—equating to more than $26 million dollars at the filling station—and prevented more than 22,000 tons of carbon dioxide from entering the atmosphere. —Scott Keogh.
As an example of the benefits, the developers say that the fuel-alcohol blend methods can expand the HCCI operating load range by about 10% to about 30% than the loads achieved when using a reference gasoline without encountering unacceptable engine noise, metallurgical stress, or elevated NO x emission levels.
The Omnivore was designed in collaboration with Queen’s University Belfast and Orbital Corporation Limited Australia for high thermal efficiency when fueled on any alcohol-based fuel or gasoline. A novel charge trapping valve in the exhaust port allows asymmetric timing of exhaust flow and continuous variation of the exhaust opening point.
The Department of Energy (DOE) is making available up to $9 million ( DE-FOA-0000715 ) for roughly 50 energy efficiency and renewable energy projects through the Department’s Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) programs. Exhaust Aftertreatment Materials. Thermoelectric Technologies.
A review of 43 studies of the effects of E15 (15% ethanol blends) on Model Year 2001 and newer cars by the National Renewable Energy Laboratory (NREL) found that the studies reviewed showed no meaningful differences between E15 and E10 in any performance category. —Bob Dinneen, President and CEO of the Renewable Fuels Association.
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