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All while being efficient and emission free. Ford solved this by making the 2025 F-150 Lightning Pro a powerful, emission-free power source. For the Lighting Pro, that means getting traditional gasoline and diesel truck owners to give it a try. kW ($1,200 option) of electricity to power a job site, home, office or store.
Emissions-free patient transport For now, these ambulances are standard vehicles converted by third parties. Additionally, more manufacturers offer alternatives allowing industrial vehicle users to lower emissions without transitioning to fully electric models. Diesel-over-electric drive systems are some examples.
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.
CO 2 emissions of the B-Class Electric Drive compared with the B 180 gasoline-engine variant [t/car]. The Mercedes-Benz B-Class Electric Drive ( earlier post ) delivers up to 64% lower CO 2 emissions than the equivalent B 180 gasoline model (when charged with hydroelectricity), according to Mercedes-Benz and TÜV Süd.
Environmental impacts of gasoline and E85. If greenhouse gas (GHG) emissions from indirect land use (iLUC) changes are included in the analysis, the differences increase to between 16% and 118% (33% on average). Process flow diagrams for E85 and gasoline. Error bar shows regional variations for E85. GW = global warming; Eut.
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.
Comparisons of life-cycle emissions from LUC phase for (a) sugar cane ethanol and (b) soybean biodiesel. Estimates of the life-cycle GHG emissions from biofuels are largely based on regional and global models of the land-use change (LUC) impacts from biofuels. Credit: ACS, Tsao et al. Click to enlarge. —Tsao et al.
One high-efficiency combustion concept under investigation is gasoline compression ignition (GCI)—the use of gasoline-like fuels to deliver very low NO x and PM emissions as well as high efficiency in a diesel compression ignition engine. The commercially available gasoline base had an octane number of 87.
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 new, comprehensive study, a team from Argonne National Laboratory, Stanford University and UC Davis ITS has estimated the well-to-wheels (WTW) GHG emissions of US production of gasoline and diesel sourced from Canadian oil sands. g CO 2 equivalents per megajoule (in lower heating value, CO 2 e/MJ). M+B = surface mined bitumen.
Comparison of current federal subsidy to base case assumptions showing lifetime fuel savings (HomeEve charging scenario). An EPA estimate based on the Chevy Volt’s reported efficiency is also included for comparison. Earlier post.). per gallon saved while subsidizing 16 kWh battery PHEVs at roughly $4.50 Current Federal subsidies.
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. Acetaldehyde and ethanol emissions responded strongly with ethanol across the fleet of 20 vehicles.
From left to right: EV, PHEV, gasoline/diesel, gasoline/diesel. One label design prominently features a letter grade (ranging from A+ to D) to communicate the vehicle’s overall fuel economy and greenhouse gas emissions performance. Mpg-e converts kilowatt-hours of electricity to gallons of gasoline based on energy equivalency.
GHG emissions for ATP shale (low and high cases) and conventional gasoline in grams of CO 2 e per MJ of final fuel delivered. These emissions are 1.5 times larger than emissions from conventionally produced gasoline. Full-fuel-cycle GHG emissions are estimated to be 129 g CO 2. Credit: ACS. Click to enlarge.
The US Department of Energy (DOE) has published a Beyond Tailpipe Emissions Calculator that provides estimates of total greenhouse gas (GHG) emissions associated with driving an electric vehicle (EV) or plug-in hybrid electric vehicle (PHEV), including emissions from the production of electricity used to power the vehicle.
Average CO 2 emissions generated by new cars in Europe increased during 2017—the first rise in 10 years— according to a new analysis by JATO Dynamics. Covering 23 European markets, the study found that average CO 2 emissions increased by 0.3 g/km, compared to gasoline cars, which had an average of 123.4
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. ICCI aims to realize flexible and controllable in-cylinder charge stratification fed by two complementary fuels: gasoline and diesel.
An analysis by JATO Dynamics has found that average new vehicle CO 2 emissions in European increased in 2018, with the total average increasing by 2.4 The analysis covered 23 markets in Europe and found a direct correlation between diesel car registrations and average CO2 emissions. The emissions averages for SUVs worsened by 1.4
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.
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.
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. higher H/C ratio) than gasoline. Splitter et al. and 32.6%, respectively.
Cellulosic ethanol produced by grain ethanol producer POET’s Project LIBERTY ( earlier post ) first commercial cellulosic ethanol plant will reduce greenhouse gas emissions (GHG) by 111% relative to gasoline, an independent lifecycle analysis (LCA) compiled by Air Improvement Resource , Inc., Total GHG Emissions. gCO 2 eq/MJ.
Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. For one, the [California Air Resources Board] CARB-established limit of HC+NO x emissions in the 7.4 ICOMIA cycle NO x emissions and hydrogen consumption, efficiency-optimized calibration.
EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. Click to enlarge.
Researchers at the University of Wisconsin, led by Dr. Rolf Reitz, are investigating a blended dual-fuel (gasoline and diesel) concept to extend the operating range of partially premixed charge compression ignition combustion by using the varying fuel reactivity of the charge blend, which is determined in real time. Source: Rolf Reitz.
Fuel flow rate (gasoline equivalent) under different engine loads for DMF, ethanol, and gasoline at 1500 rpm and ? = DMF has a volumetric energy density similar to that of gasoline formulations and 40% greater than that of ethanol. Credit: ACS, Zhong et al. Click to enlarge. Molecular structure of DMF. Credit: ACS, Zhong et al.
liter Opposed-Piston Gasoline Compression Ignition (OPGCI) engine. A comparison between the 2.7L An Opposed-Piston Engine is 30-50 percent more fuel efficient than comparable diesel and gasoline engines, it is a no-excuses way to meet future efficiency and emissions standards. Earlier post.). Earlier post.). Earlier post.)
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.
A recent study by leading UK-based independent emissions testing company Emissions Analytics tested four apparently similar pairs of gasoline-fueled vehicles between the US (without gasoline particulate filters (GPFs)) and Europe (with GPFs). Average emissions across the four pairs of vehicles. Emissions Analytics.
The study, conducted by Future Fuel Strategies , reviewed, assessed and compared nearly 100 different peer-reviewed vehicle emission studies. The study, conducted by Future Fuel Strategies , reviewed, assessed and compared nearly 100 different peer-reviewed vehicle emission studies.
In California’s Los Angeles Basin, levels of volatile organic compounds (VOCs) pollutants have decreased by about 98% since the 1960s, even as area residents now burn approximately three times as much gasoline and diesel fuel. This indicates that the main VOC source in the LA basin is likely gasoline vehicle emission.
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. a) Aerosol emission factors (g kg −1 fuel) measured in the study.
The study’s findings highlight the importance of considering exposures—especially the proximity of emissions to people—when evaluating environmental health impacts for EVs, the team said. For EVs, combustion emissions occur where electricity is generated rather than where the vehicle is used. 90% is from coal.
FTP cycle-weighted tailpipe emissions of N 2 O, NO x , and the sum of NMOG and NO x. The minimum in NO x and NMOG emissions for midlevel ethanol blends points to future opportunities for emission reductions from FFVs. Credit: ACS, Hubbard et al. Click to enlarge. E40); and the new range for high-level ethanol blends (E55, E80).
Criteria emissions by drive cycle. FedEx has deployed 20 gasoline hybrid electric vehicles (gHEVs) on parcel delivery routes in the Sacramento and Los Angeles areas. The goal of the ReFUEL testing was to quantify the reduction in emissions realized with the gHEV and to compare the fuel economy of a gHEV and a diesel vehicle.
a leader in propulsion efficiency, announced at SAE International’s WCX the results of their collaborative study on the effectiveness of Tula’s diesel Dynamic Skip Fire (dDSF) in reducing nitrogen oxides (NO x ) and carbon dioxide (CO 2 ) emissions on a Cummins X15 HD Efficiency Series diesel engine. Cummins Inc. and Tula Technology, Inc.,
mpg US) (99 g/km CO 2 )—more efficient than any previous Golf with a gasoline engine. The new TSI engine also offers the highest specific torque of any large-scale production series gasoline engines: 200 N·m per liter displacement. Golf Comparisons. The turbocharged gasoline engine with its 10.5:1
Renault has previewed a new electric vehicle motor, designed by its engineers and manufactured at its Cléon plant in France, as well as a new dual-fuel gasoline/LPG combustion engine. Turbocharged dual-fuel gasoline/LPG engine. The new engine is a current-generation three-cylinder gasoline unit with LPG dual-fuel capability.
Renault’s comparison of the carbon footprint of EV and ICE vehicles over production, operation and end of life. The publication gives the opportunity for an “apples-to-apples” comparison between the environmental impacts of the two types of powertrains: same manufacturer, same model, same boundary conditions. Gasoline Fluence 16V.
WTW energy demand and GHG emissions for EV and PHEV drivetrains for various electricity sources; gasoline ICE vehicle is solid square, hybrid the hollow square. Third, the analysis offers a novel comparison of drivetrain and energy carrier production pathways based on natural resource categories. 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. The Toyota 2.5L
A team from Algenol and Georgia Tech calculated the life cycle energy and greenhouse gas emissions for three different system scenarios for this proposed ethanol production process, using process simulations and thermodynamic calculations. MJ/MJEtOH, and the net life cycle greenhouse gas emissions range from 29.8 wt % to 5 wt %.
Shale oil production generates greenhouse gas emissions at levels similar to conventional crude oil production, according to a pair of new studies released by the US Department of Energy’s Argonne National Laboratory. Until now, little information has existed about how production methods impact greenhouse gas emissions at these sites.
Heavy-duty diesel vehicles using mixing controlled compression ignition (MCCI), the most common ignition and combustion strategies for heavy-duty diesel engines, contribute significantly to the emissions of GHG, oxides of nitrogen (NO x ), and particular matter (PM) and are subject to stringent emission standards. GLE and $0.9/GLE.
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