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The Vehicle Cost Calculator, an easy-to-use tool that allows users to compare emissions and lifetime operating costs of specific vehicle models, including conventional cars and trucks, as well as vehicles running on alternativefuels such as electricity, ethanol, natural gas, or biodiesel.
First, it considers the performance of both mature and novel hydrogen production processes, multiple electricity generation pathways and several alternative drivetrains. Third, the analysis offers a novel comparison of drivetrain and energy carrier production pathways based on natural resource categories.
For comparison, the reaction of methylcyclohexane formed tars that quickly blocked the reactor, even at 500 °C on this catalyst. These results suggest that LOHC could serve as alternativefuels for endothermic cooling. The catalyst was stable over a period of at least several hours and no coking was observed. —Cao et al.
An an example, they point out that an SPK fuel option with zero life cycle GHG emissions would offer a 100% reduction in GHG emissions but only a 48% reduction in actual climate impact using a 100-year time window and the nominal climate modeling assumptions in the paper. Many other factors have less quantifiable impacts.
The study considers five different powertrains (internal combustion engine, hybrid-electric, plug-in hybrid-electric, fuel-cell-electric, and battery-electric) and 12 cost components (purchase cost, depreciation, financing, fuel, insurance, maintenance, repair, taxes, registration fees, tolls and parking, payload capacity and labor).
Cost breakdown of the minimum fuel selling price for MCCI fuel produced from (a) yellow grease and (b) swine manure HTL, in comparison to the diesel price of $0.79/GLE. Life-cycle GHG emissions results for MCCI bioblendstocks produced from wet waste feedstocks, in comparison to 91 g of CO 2 e/MJ of petroleum diesel.
The engine is designed for use in light-duty vehicles, and demonstrates the potential of modifying passenger vehicle engines to achieve diesel-like fuel efficiency and power using CNG as an alternativefuel. FEV developed ATAC more than a decade ago, targeting large-bore engines in stationary and heavy-duty applications.
Its efforts to incorporate alternativefuel vehicles (AFVs) into its fleet began in 2002 with an initial purchase of hybrid electric vehicles (HEVs), mainly the Toyota Prius and Ford Escape hybrid. Between 2009 and 2011, fuel costs for the City of Loveland’s vehicle fleet increased by 29%, according to the case study.
In a paper in the journal Fuel , researchers at Tianjin University report on the use of cooled EGR to improve the overall performance of 2-methylfuran (MF) as an alternativefuel. This work further advances the knowledge of how to improve the overall performance of MF as an alternativefuel for internal combustion engines.
Naturally, much of the discussion on the cost-benefit comparison of decarbonizing alternatives—particularly on alternativefuel solutions for long- haul heavy trucks—is based on assumptions about future technological developments that are uncertain.
The SRI CTL plant design offers a lower CO 2 -emitting fuel then conventional diesel; a lifecycle analysis by SRI put conventional diesel at 389 gCO 2 /mile, conventional F-T coal-to-liquids diesel at 830 gCO 2 /mile; and the SRI synthetic fuel at 326 gCO 2 /mile (when using carbon-neutral electricity. Lifecycle GHG comparison.
per mile to fuel an electric vehicle; by comparison, the national average cost to fuel a gas vehicle is double at $0.06 In terms of individual costs of running, on average Self Financial found that nationally it costs as little as $0.03 per year, a difference of more than $377 per year in favor of the electric vehicle.
Comparison of flight scenarios demonstrated that the DELILAH optimal turbocharged diesel engine for light helicopters could potentially reduce fuel consumption by 50%. The engine is compatible with the use of alternativefuels such as 100% biofuel (B100), reducing dependence on fossil fuels and thus reducing greenhouse gas emissions.
John DeCicco at the University of Michigan argues that to reduce transportation sector greenhouse gas emissions, the proper policy focus should be upstream in sectors that provide the fuel, rather than downstream on the choice of fuels in the automobile. The paper is available from the Social Science Research Network (SSRN).
It is especially important to note that several of the companies—Nissan, Ford, Volkswagen and BMW—have previously focused primarily on battery-electric vehicles and other alternativefuels. — 2013 Fuel Cell Technologies Market Report. Fuel Cells Hydrogen Market Background Power Generation'
The project will help establish the methodology for making comparisons under such varied conditions. Researchers will design standardized tasks, such as lifting a heavy object. The performance of the hybrid vehicle will then be compared to that of conventional diesel powered vehicles.
Given the high amount of petroleum use per vehicle (in comparison to passenger vehicles), these vehicles offer an excellent opportunity to expand alternativefuel use, reduce petroleum consumption, and reduce greenhouse gas emissions. Medium- and Heavy-Duty Vehicles ($22 Million). Workforce Development and Training ($5.5
Further, SEALNG’s latest study, the Comparison of AlternativeFuels, commissioned to founding member and leading classification society DNV GL, examines the current commercial and operational viability of alternative marine fuels based on industry and academic literature.
The Volvo Car Corporation’s CO 2 strategy also includes electrified cars with varying degrees of hybridization, more efficient diesel and gasoline engines, and alternativefuels. Comparison of distance to 2015 targets for a weight-based versus a footprint-based set of CO 2 standards. Source: T&E. Click to enlarge.
This evaluation of the FCHV-adv demonstrates not only the rapid advances in fuel cell technology, but also the viability of this technology for the future. For comparison, the 2009 Toyota Highland Hybrid achieves an EPA-estimated rating of 26 mpg combined fuel economy and has a full-tank range of approximately 450 miles.
Comparisons of NO x , CO, soot, and engine brake power using different PS blends with the factory-set injection timings. Researchers at Iowa State University are proposing dissolving waste polystyrene (PS) in biodiesel for use as a diesel engine fuel as a mechanism for energy recovery from the waste plastic. Credit: ACS. Credit: ACS.
The aim of this initiative is to use clean, efficient drive systems along with alternativefuels to realize zero-emission commercial vehicles. This enables us to entrust two fully practical electric vehicles with battery-electric and fuel cell drive systems to our customers – the smart fortwo electric drive and the B-Class F-CELL.
A new report from the University of Michigan Transportation Research Institute (UMTRI) reviews the major advantages and disadvantages associated with battery-electric vehicles (BEVs) and fuel-cell vehicles (FCVs). For current gasoline-powered ICE vehicles at an average fuel economy of 23.3 mp and a fuel price of $2.35
The Current Policies Scenario assumes no new policies are added to those in place as of mid-2011, and is used as a basis for comparison with the New POlicies Scenario. Where the alternativefuel cannot be used directly in existing oil distribution networks and applications, it requires the build-up of a dedicated infrastructure.
Comparisons of the emissions and performance showed that both [heavy- and light-duty] engines can simultaneously achieve NO x below 0.05 AlternativeFuels. Thermal efficiencies were about 5–7% lower in a light-duty engine, due to the increased heat transfer losses associated with smaller engines.
Biodiesel, noted the authors, is the most widely used biofuel in diesel engines, and it is currently the main fuel being used or considered to meet renewable fuel requirements for diesel fuel. In California, biodiesel use accounted for 86% of the alternativefuels consumed by the state fleet in 2010. for B20, 6.4%
It considers the production of 60 fuel chains for conventional and alternativefuels as well as 14 different forms of electricity generation, the impacts of vehicle (and battery) manufacturing, and vehicle use and maintenance including different ‘end of life’ scenarios. The implementation of LCA modeling choices (e.g.
If this trend continues and the adoption of alternativefueled vehicles doesn’t accelerate, the industry will need to take more drastic measures in order to meet the short- term targets. Toyota was also one of only five brands that posted an improvement in comparison to 2017, with emissions falling by 1.4 —Felipe Munoz.
Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. David Oh and Jean-Sébastien Plante (2012) A Hydrogen-Fueled, Direct-Injected, Two-Stroke, Small- Displacement Engine For Recreational Marine Applications With High Efficiency And Low Emissions.
Fuel cell hybrid electric vehicles. Alternativefuels from biomass. DOE asks respondents to comment on methodology to ensure a common ground for the various technologies and appropriate levels of success for comparison. Plug-in hybrid electric vehicles. Battery electric vehicles.
Alternative-Fueled-Vehicles only experienced a small increase in volume. In comparison, the market share of hybrid vehicles increased by one percentage point. This will likely lead to average CO 2 emissions further increasing in the future, JATO said. Battery-Electric-Vehicles (BEVs) experienced meagre growth too.
Vehicle and fuel technology for natural gas is available today and relatively affordable, particularly in comparison with other alternativefuel vehicles (AFVs).
Boeing and a team from across the aviation industry today released high-level elements of a study that shows that sustainable biofuels analyzed in a series of test flights performed favorably in comparison to petroleum-based fuel. Bio-SPK fuel blends had no adverse effects on the engines or their components. Click to enlarge.
Comparison of the percent differential for WTW (well-to-wheel) GHGs from gasoline produced from WCSB oil sands using different production processes relative to gasoline produced from reference crudes. Source: FEIS, Appendix V. Click to enlarge. The NETL study serves as a key input for analyses conducted by EPA and DOE.
The massive upsurge in e-bikes in the country marks “ the single largest adoption of alternativefuel vehicles in history, with over 100 million vehicles purchased in the past decade, more than all other countries combined. ”. The team found that using concentration rather than intake is suboptimal for health comparisons.
The goal of their study was to understand how alternativefuels affect the primary PM emissions, the semi-volatile nature of the these emissions, and the potential for the emissions to form secondary PM. The T63 is an older engine, primarily used in helicopter applications.
In accordance with Directive on alternativefuel infrastructure, Member States are required to implement common standards, including a common plug for electric vehicles, and roll out infrastructure for alternativefuels. This would make charging of electric vehicles easier. Zero-emission vehicles.
The technology could also enable more fuel efficient engines through improved support for alternativefuels or gasoline controlled autoignition, they also sugest. In comparison, naturally aspirated engines have a higher compression ratio in the order of 1 to 1.5
of new sales, followed by gasoline vehicles (47%), and alternativelyfueled vehicles (3.3%, including electric vehicles). In comparison with 2015, the average mass of new cars sold in 2016 in the EU increased slightly to reach 1,388 kg. However, diesel cars still remain the most sold vehicle type in the EU representing 49.4%
Although Chevy emphasizes the benefits of the 2500HD with the bi-fuel option as a full dual fuel vehicle with a combined range of up to some 650 miles, in more than 500 miles of driving over the course of a week, we used mainly only natural gas. The only reason we used gasoline was for comparison; it wasn’t necessary.
Renewable feedstock and high octane number rating make ethanol a very promising alternativefuel in CI engine. Due to its superior resistance to auto-ignition (RON = ~111) and volatility compared with gasoline fuel, ethanol is more specifically suited to PPC operation at high load conditions.
For comparison: the highest surface areas of previous MOFs averaged 5,000 square meters per gram. The aim is to develop MOFs with the largest possible surface area and storage density. Professor Yaghi recently succeeded in synthesizing MOF-210, a zinc carboxylate with a surface area of more than 10,000 square meters per gram of material.
million) research project to investigate the use of alternativefuels that could offer customers the power and performance of modern internal combustion engines with environmental benefits comparable to an electric vehicle. Ford Motor Company is leading a €3.5-million million (US$3.9-million)
To demonstrate the technique, Kristin Rogers and Thomas Seager applied it to a set of conventional and alternative transportation fuels (carefully noting that their purpose was purpose to illustrate the method, not to provide definitive conclusions about alternativefuels). Click to enlarge.
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