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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.
Chevron USA kicked off a road trip across the US Gulf Coast to showcase an innovative new gasoline blend with more than 50% renewable content. During the tour, Chevron representatives will talk with members of the public about the benefits of lower carbon fuels such as biofuels and renewable gasoline blend.
Many new vehicles that leave the Audi plants in Germany are delivered with R33 fuel—a blend comprising one-third renewable components. Audi plants’ filling stations transitioned to R33 Blue Diesel ( earlier post ) last year; Audi has now introduced the gasoline counterpart, R33 Blue Gasoline.
C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. When fueled by hydrogen produced from landfill gas, the total dropped to 117 g CO 2 e/mi.
Blending ammonia with a small amount of dimethyl ether (DME) gives a liquid fuel with low-temperature combustion properties very similar to gasoline, researchers at KAUST have shown. The development of such fuels could provide an option—in addition to electric cars—for “clean” power for the transportation sector.
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.
Advocacy group Coltura has published a report that finds converting the biggest users of gasoline to EVs in the next ten years is critical to reaching climate goals and that present EV policies are poorly suited to accomplishing that conversion. Among the findings of the report: Drivers are highly unequal in their gasoline consumption.
In a commentary in the journal Joule , Rob McGinnis, founder and and CEO of Prometheus , a company that is developing technology to remove carbon dioxide from the air and turn it into fuels, discusses the technology advances that could lead to the potential price-competitiveness of renewable gasoline and jet with fossil fuels.
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.
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.
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.
A team at Shanghai Jiao Tong University (SJTU) is proposing a new combustion mode—intelligent charge compression ignition (ICCI)—for ultra-high efficiency and low emissions simultaneously. A paper on ICCI is published in the journal Fuel. g/kWh were simultaneously achieved at 85% gasoline ratio. —Li et al.
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. to C 2 fuel products such as ethanol.
A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Also since 1975, light-duty vehicle travel increased by 134% while fuel use increased by only 37%.
Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock.
Developed on a new architecture, the all-new Sportage will offer gasoline and diesel powertrains at market launch later this year, followed by hybrid-electric (HEV) and plug-in hybrid electric (PHEV) models. The Sportage will be launched with a range powertrains, including clean gasoline and diesel IC engine technology. The new R2.0-liter
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.
A study led by environmental health scientists at Columbia University Mailman School of Public Health examined the release of vapors from gasoline station vent pipes, and found benzene emissions were 10 times higher than estimates used in setback regulations that determine how close schools, playgrounds, and parks can be to the facilities.
A team at the University of Nebraska-Lincoln has investigated the long-term adaptability and economic feasibility of non-flex-fuel vehicles—vehicles designed to use fuel blends containing 85% ethanol (E85) or less—to consume a 30% ethanol (E30) fuel blend. MPG compared to E15.
A team at the University of Madison-Wisconsin studied critical sooting equivalence ratios and subsequent particulate formation during spark-ignition combustion for blends of ethanol, isobutanol (2-methyl-1-propanol), and methylbutenol (2-methyl-3-buten-2-ol) with gasoline using premixed prevaporized (PMPV) fueling. 2022.124638.
Ingevity and Ozinga Energy are partnering to begin a field demonstration of adsorbed natural gas (ANG) bi-fuel pickup trucks. Ingevity is the industry leader in adsorbent-based, on-board evaporative emissions control for gasolinefueled vehicles. V8 with CNG prep kit, set up for bi-fuel (gasoline/natural gas) operation.
The US Environmental Protection Agency (EPA) announced a proposed determination that emissions of lead from aircraft that operate on leaded fuel cause or contribute to air pollution that may reasonably be anticipated to endanger public health and welfare. EPA is not proposing aircraft engine lead emission standards with this action.
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.
A team at King Abdullah University of Science and Technology (KAUST) has developed a data-driven artificial intelligence (AI) framework to design liquid fuels exhibiting tailor-made properties for combustion engine applications to improve efficiency and lower carbon emissions. —Kuzhagaliyeva et al.
The 2022 Fuel Economy Guide, released by ORNL for the DOE/EPA fueleconomy.gov website, provides up-to-date information on fuel economy, environmental and safety data, so consumers can choose the most fuel-efficient vehicle that meets their needs. Credit: Andrew Sproles/ORNL, U.S.
The advanced Ingenium family, which includes a range of diesel, gasoline and electrified engines, are built to maximise performance while at the same time reducing the environmental impact and running costs for customers. Jaguar Land Rover has now produced more than 1.5
A new study by Zemo Partnership (formerly LowCVP) shows that with a market average of 30% high blend renewable fuels (HBRF), used in place of fossil fuels (diesel and natural gas) by 2030, the transport sector could save an additional 46m tonnes in GHG emissions over the next decade, with savings continuing to 2050.
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.
Cummins will launch the next engine in the fuel-agnostic series, the X10, in North America in 2026. The diesel version will be first available, with other versions for gaseous fuels introduced later. The diesel version will be first available, with other versions for gaseous fuels introduced later. Fuel Agnostic Platform.
The Methanol Institute (MI) released two new reports on the use of methanol as a safe, efficient and clean alternative fuel for cars, trucks and buses. The results of these tests showed the following: There is no copper corrosion in methanol gasoline blends, just some light tarnish. Octane increases when methanol is added to gasoline.
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.
a nationwide distributor of propane, fuel oil and related products and services, as well as a marketer of natural gas and electricity, is purchasing a 39% stake in Oberon Fuels, a San Diego, CA-based development-stage producer of low-carbon, renewable dimethyl ether (rDME) transportation fuel. Suburban Propane Partners, L.P.,
The Government of Sweden has launched a study to offer proposals on how to implement a ban on sales of new gasoline and diesel cars, and the timeline for the phase-out of fossil fuels. The final report is to be presented by 1 February 2021. Sven Hunhammar will chair the inquiry.
UK Transport Minister Trudy Harrison announced more than £200 million (US$244 million) of government funding will be injected into an extensive zero-emission road freight demonstrator program. But we must accelerate our journey towards our net zero goals, and we’re committed to leading the way globally on non-zero emission road vehicles.
Argonne National Laboratory has published a new cradle-to-grave (C2G) lifecycle analysis (LCA) of US LDV vehicle-fuel pathways. The study provides a comprehensive analysis of the cost and greenhouse gas (GHG) emissions of a variety of vehicle-fuel pathways; the levelized cost of driving (LCD); and the cost of avoided GHG emissions.
Grön Fuels, LLC’s renewable diesel and jet fuel option facility at the Port of Greater Baton Rouge is based on Topsoe’s proprietary HydroFlex hydrotreating and H2bridge hydrogen technologies, including an option to capture ~1 million tons per year of bio-CO 2 for carbon sequestration in suitable deep saline aquifers located below the project site.
Electric truck company Tevva and Vattenfall signed a Memorandum of Understanding to explore the opportunity to provide a complete zero-emission transport solution for businesses looking to reduce the overall carbon impact of their operations. Tevva is an electric truck company with optional range extension technology that allows its 7.5-19t
Sales of traditional fossil-fuel cars continued to decrease in the European Union, although gasoline and diesel still made up 65.4% Gasoline and diesel cars. Similarly, demand for gasoline cars continued its downward trend, with sales decreasing by 16.9% of all new cars, while plug-in hybrids accounted for 8.2%
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.
Researchers from Saudi Aramco and KAUST (King Abdullah University of Science and Technology), with a colleague from Shanghai Jiao Tong University in China, assessed the effects of adopting 4 hybrid architectures on the life-cycle GHG emissions of a novel high-reactivity fuel in an advanced compression-ignition engine (GCI).
liter V8 engine for automobiles that is fueled entirely by hydrogen. 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. Hydrogen: not a stand-in for gasoline. Earlier post.). —Takeshi Yamada.
Hyundai’s NEXO fuel cell SUV is now available at Roseville Hyundai near Sacramento. Based on a dedicated vehicle platform, NEXO is the cleanest, longest-range (380 mile) zero-emissions SUV on the road. NEXO is available now and can be leased for $379 (Blue model) or $449 (Limited model) for 36 months.
The ORNL team conducted engine experiments with both 91 RON E10 gasoline and liquified petroleum gas (LPG). 1 for both fuels, with additional runs at 16.8:1 1 for LPG only) improved engine efficiency by up to 30% compared with a production turbocharged gasoline direct injection spark ignition engine. Splitter et al.
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