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A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.
In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.
C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasolineinternal combustion engine vehicle.
Following on the introduction of R33 Blue Diesel ( earlier post ), Bosch, Shell, and Volkswagen have now developed a low-carbon gasoline. The new fuel, called Blue Gasoline, similarly contains up to 33% renewables, ensuring a well-to-wheel reduction in carbon emissions of at least 20% per kilometer driven. Every bit of CO?
The European Association for Emissions Control by Catalyst (AECC) presented its zero-impact emissions demonstrator car at the Vienna Motor Symposium, 27-29 April. At the same time, Well-to-Wheel (WtW) CO 2 emissions are substantially reduced by running the vehicle on an e-fuel. Resources.
By shifting the biggest gasoline users into ZEVs first, AB 2816 also reduces the total number of ZEVs that would be needed to reach the state’s near-term target of cutting light-duty vehicle emissions in half by 2030. California’s biggest gasoline users currently are on track to be the last people to switch to ZEVs.
Thirty-seven globally prominent scientists representing the International Journal of Engine Research have published an open-access editorial addressing the future of the Internal Combustion Engine, and stressing the importance for continued development of more efficient and even lower-emitting technologies. —Reitz et al.
A team at Sandia National Laboratories has designed a five-component gasoline-like blend containing 40% vol of a mixture of 2-methyl furan and 2,5-dimethyl furan (representative of products of a viable pathway to make furans from bio-feedstock). Simulations show promising results when the resulting fuel is compared to regular E10 gasoline.
However, he added, the internal goal is “ significantly higher, ” and is targeting the GHG limit. Cost of the new engine relative to gasoline baseline. The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter)
BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year. The effective upgrading of alcohols to gasoline, diesel, and jet fuels.
In a recent open-access paper published in ACS’ Environmental Science & Technology , researchers from the University of York report that alcohols in windshield washer fluid account for a larger fraction of real-world vehicle emissions than previous estimates have suggested. Cliff et al. —Cliff et al.
D-EGR is a SwRI-developed gasoline engine concept that uses in-cylinder fuel reforming to produce CO and H 2 (with Research Octane Numbers of 106 and 130, respectively) and high levels of recirculated gas (EGR) to achieve very high levels of thermal efficiency. liter gasoline direct injection engine.
On this basis, and of Pareto efficiency, Emissions Analytics argues, until battery-electric vehicles can reach certain performance characteristics, government and industry support should switch immediately from EVs to full hybrids to create maximum welfare. The test cycle was made up of five repeats of the EQUA cycle, totalling 741 km.
In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies.
The ICCT has conducted a comprehensive global and temporal life-cycle assessment of GHG emissions from a variety of alternative passenger car powertrains and fuels. The life-cycle GHG emissions of cars registered in 2021 are compared with those of cars expected to be registered in 2030.
Analysis of a study by S&P Global Mobility shows the number of new near-zero emission diesel trucks on the road in the US increased 10.2% Near-zero emission trucks are advanced diesel technology manufactured in the 2010 and later model years. are electric, and the remainder are gasoline or other fuels. are CNG, 0.3% That’s a 10.2%
A new report from RMI has found that optimized charging of electric vehicles, which involves automatically and strategically shifting when an EV charges, could significantly reduce transportation sector emissions, and could potentially result in an average of 800 pounds of CO? saved per vehicle annually. million ICE vehicles off the road.
A paper on their work is published in the International Journal of Engine Research. The ORNL team conducted engine experiments with both 91 RON E10 gasoline and liquified petroleum gas (LPG). 1 for LPG only) improved engine efficiency by up to 30% compared with a production turbocharged gasoline direct injection spark ignition engine.
A team of researchers in China suggest that, in the context of promoting the use of clean fuel vehicles and increasing vehicle fuel efficiency, CO 2 emissions of China’s urban passenger transport sector could reach a peak of 225 MtCO 2 in 2030. A paper on their study appears in the journal Energy Policy. —Li and Yu.
and Saudi Aramco’s US-based subsidiary Aramco Services Company (ASC) have signed a joint development agreement providing the framework for the two companies to work together on a series of Opposed-Piston (OP) Engine projects, which will speed the development of new efficient, low-emissions powertrain choices. Achates Power, Inc.
The result is a set of usable conversion factors for distance-based CO 2 emissions among the different driving cycles. For the study, the ICCT team simulated CO 2 and efficiency results over the test cycles for a variety of vehicle and technology packages using a vehicle emission model developed by Ricardo Engineering. Source: ICCT.
At the North American International Auto Show (NAIAS), Achates Power and new development parter Aramco Services ( earlier post ) showcased a Ford F-150 fitted with a 3-cylinder, 2.7-liter liter Opposed-Piston Gasoline Compression Ignition (OPGCI) engine. Earlier post.). Earlier post.). Development and testing of the new 2.7L
Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. So far, there are few complete comparative studies about the effect of different components of gasoline on fuel economy. —Han et al.
UK Prime Minister Boris Johnson confirmed that the government will accelerate the ban on the sale of new gasoline and diesel vehicles, bringing it forward by ten years to 2030, as part of a “Green Industrial Revolution.” billion), boosting international investment into strong manufacturing bases including in the Midlands and North East.
GDCI engine was significantly better than advanced production spark injection gasoline engines, and comparable to very efficient hybrid vehicle engines at their best efficiency conditions (214 g/kWh). They found that at all loads, GDCI was remarkably clean, with the potential for no aftertreatment for NO x and particulate emissions.
Gasoline compression ignition—i.e., igniting gasoline purely by compression, as with a diesel, rather by using a spark—is a promising, high-efficiency, low-temperature combustion mode that offers low engine-out NO x and soot. Earlier post.) GCI, however, is challenged by stable idle- to low-load operation (i.e.,
Volkswagen unveiled the new eight-generation Golf GTI, the Golf GTD and the Golf GTE plug-in hybrid via a live stream event, in place of the cancelled Geneva International Motor Show. This new twin-dosing SCR system with dual AdBlue injection greatly reduces nitrogen oxide emissions compared with its predecessor.
The North American recreational boating industry showcased three sustainable marine fuels during an opening day event at the Discover Boating Miami International Boat Show. Sustainable marine fuels minimize CO 2 emissions from recreational boating while maintaining boats’ range and performance. of US transportation CO 2 emissions.
We’ve made a commitment to net-zero carbon emissions by 2050, and this is one way we can begin reducing our environmental impact, one delivery at a time. Today, Domino’s already delivers with electric bikes and/or scooters in 24 international markets, including the US. —Russell Weiner, Domino’s CEO.
The e-POWER system includes a gasoline engine with a power generator, an inverter, a battery and an electric motor. Used solely to charge the high-output battery, the gasoline engine always runs at an optimal speed. This leads to superior fuel efficiency and lower emissions compared with a traditional internal combustion engine.
A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas. 0.37, 42.4,
The US Environmental Protection Agency (EPA), USDepartment of Justice (DOJ), and California Air Resources Board (CARB) announced a proposed settlement with Daimler AG and its American subsidiary Mercedes-Benz USA, LLC resolving alleged violations of the Clean Air Act and California law associated with emissions cheating.
Researchers led by a team at Washington State University (WSU) have developed a unique and inexpensive nanoparticle catalyst that allows a solid-oxide fuel cell to convert logistic liquid fuels such as gasoline to electricity without stalling out during the electrochemical process. —Qusay Bkour, lead author. —Bkour et al.
In Japan, Toyota and other automotive-related companies are about to begin a collaborative effort to expand the range of fuel options for internal combustion engines. At the same time, ‘Motor’ is in our company name and we accordingly have a strong passion for and level of commitment to the internal combustion engine. Earlier post.).
A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gas emissions than previously estimated by the US Postal Service (USPS). An all-electric fleet would reduce lifetime greenhouse gas emissions by 14.7 Earlier post.). Woody et al.
The hydrogen van is the ideal solution for driving long distances with zero emissions as well as for transporting larger loads without losing time while charging the batteries. The Opel Vivaro-e HYDROGEN leads zero-emissions mobility into the future, especially for commercial use. —Head of Development Marcus Lott.
Projects will work to lower emissions by leading the expansion of EV charging stations to facilitate the transition from fossil fuel-powered vehicles to electric vehicles. Simultaneous Greenhouse Gas and Criteria Pollutants Emissions Reduction for Off-Road Powertrains. WM International Engineering LLC. Project Description.
Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.
The hydraulic components (motor and pump) recover and store the energy generated by the internal combustion engine and by braking and deceleration (kinetic energy); kinetic energy from braking that would otherwise be lost as heat is converted into hydraulic energy and stored in a pressure accumulator. l/100km (81.1 Click to enlarge.
liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. The “Dynamic Force Engine” achieves one of the world’s best thermal efficiencies of 40% in gasoline powered vehicles according to Toyota.
TSI gasoline engine and is now introducing the latest generation, the TSI evo2, in the first models in Europe. The highlights of the latest version include Active Cylinder Management ACTplus, an emission control module close to the engine and the modern TSI-Evo combustion process. Volkswagen has enhanced its bestselling 1.5
Together, Renmatix and Gevo will explore project opportunities for renewable and low-emission fuel, isobutanol, jet fuel and isooctane in markets where there is a convergence of low-cost biomass and low-carbon fuel incentives. —Patrick Gruber, Ph.D., CEO of Gevo.
These include fully-electric systems, as well as a gasoline-generated EV system (known as e-POWER at Nissan, earlier post ) in which a gasoline engine generates electrical power stored in a battery (series hybrid), which can then be delivered to all four wheels through a pair of high-output electric motors. Earlier post.)
the developer of Dynamic Skip Fire (DSF) and diesel DSF cylinder deactivation technology for combustion engines, reported at the International Vienna Motor Symposium that its product Dynamic Motor Drive (DMD) ( earlier post ) mitigates efficiency losses of electric motors while significantly reducing reliance on rare-earth materials.
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