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Because of the pandemic, there was a substantial reduction in 2020 in vehicle miles traveled. Overall , vehicle miles traveled in 2020 were down 13% compared with 2019. The results show that gasoline consumption per capita in 2020 was on par with that 55 years ago. Total consumption. Total consumption (millions of gallons).
AAA publishes a daily map that divides the states into five groups, depending on the average price of regular gasoline. This very brief post compares the lowest gasoline prices in two adjacent counties in these two states: Massac in Illinois, and McCracken in Kentucky. Maps from AAA Gas Prices.
and Clemson University have partnered to advance development of electric-vehicle batteries that charge faster, last longer and can be scaled to fit a variety of vehicle classes. The CNI is located at the Clemson University Advanced Materials Research Laboratory in Anderson County. ATLIS Motor Vehicles, Inc. —Professor Rao.
The federal subsidy significantly favors larger battery packs to a stronger degree than their potential for additional gasoline savings. Non-domestic charging infrastructure is generally not necessary for operation of PHEVs, and substantial gasoline displacement can be achieved solely with home charging. Peterson and Michalek 2012.
A study by a pair of researchers at Northwestern University found that when fuel prices drove residents of São Paulo, Brazil, to switch from ethanol to gasoline in their flexible-fuel vehicles, local ozone levels dropped 20%. At the same time, nitric oxide and carbon monoxide concentrations tended to go up.
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. Second, they estimated fuel savings using the FHWA data on vehicle miles, fuel use and miles per gallon (mpg).
As one example, GM Global Technology Operations LLC and the Regents of the University of Michigan recently were recently awarded a US patent (Nº 8,261,860) for a plug-in series hybrid or range-extended electric vehicle powertrain using multiple free piston linear alternator (FPLA) engines. Earlier post.) Earlier post.).
The primary measure in this analysis is the average miles driven per gallon of fuel for each year. gallons per 100 miles to 5.10 gallons per 100 miles) represents a compound rate of decrease of 2.3% gallons per 100 miles to 4.50 gallons per 100 miles) represents a compound rate of decrease of only 0.2% total Btu).
A study based on a spatial and longitudinal travel dataset by a team from Lamar University, Iowa State University and Oak Ridge National Laboratory found that whether plug-in hybrids (PHEVs) have lower energy costs that conventional gasoline vehicles (CGVs) or hybrid-electric vehicles (HEVs) depends on charger coverage.
General Motors will build a Chevrolet Impala sedan for retail and fleet customers that operates on either gasoline or compressed natural gas (CNG), GM Chairman and CEO Dan Akerson announced today. The Chevrolet Impala bi-fuel sedan features a factory-engineered and fully warranted powertrain that switches seamlessly from CNG to gasoline.
The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). LEVIII will begin a four year phase-in of a tighter 1 mg/mile starting in 2025. Yang et al.
Researchers from Michigan State University have been awarded $2.5 Our goal is to enable hyper-efficient hybrid vehicles to meet consumer needs for a 500-mile driving range, lower vehicle prices, full-size utility, improved highway performance and very low operating costs. Source: MSU. Click to enlarge.
Diesel vehicles generally saved owners between $2,000 to $6,000 in total ownership costs during a three to five year period when compared to similar gasoline vehicles, according to data compiled by the University of Michigan Transportation Research Institute (UMTRI). —“Total Cost of Ownership”. Fuel Efficiency. Fuel Costs.
A new Carnegie Mellon University study released at the Washington Auto Show finds that for passenger cars, aadvanced vehicles with higher fuel economy—i.e, port fuel injected (PFI) gasoline—during periods of higher fuel costs. port fuel injected (PFI) gasoline—during periods of higher fuel costs.
The primary measure in this analysis is the average miles driven per gallon of fuel for each year. gallons per 100 miles to 5.09 gallons per 100 miles) represents a compound rate of decrease of 2.3% gallons per 100 miles to 4.48 gallons per 100 miles) represents a compound rate of decrease of only 0.3% total Btu).
Drivers of diesel vehicles can save thousands of dollars in total ownership costs compared to similar gasoline vehicles, according to a University of Michigan Transportation Research Institute (UMTRI) study.
Contributions of regions to total life cycle emissions for three fuels (µg per vehicle-mile traveled per km 2 land area). We focus on transportation fuels in the US and analyze three fuels pathways: gasoline, ethanol from corn grain, and cellulosic ethanol from corn stover. Dashed lines show US average emissions. Click to enlarge.
Authors of the paper are Rathin Datta, cellulosic ethanol company Coskata’s chief scientific officer; Mark Maher, executive director, powertrain/vehicle integration, GM Powertrain; Coleman Jones, GM biofuels implementation manager; and Richard Brinker, Dean and Professor of Forestry and Wildlife Sciences, Auburn University.
Hakan Yilmaz, Global Technology Management, Gasoline Systems, for Bosch presented an overview of and update on the project at the 2011 DEER conference in Detroit in October. The partners have a single-cylinder research engine lab with fully flexible valve actuation (FFVA) at Stanford and a multi-cylinder engine lab at University of Michigan.
Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.
Now, researchers from the University of Michigan and Ford report in an open-access paper in ACS’ Environmental Science & Technology that automating residential package transport doesn’t influence the greenhouse gas footprint as much as the delivery van’s size and type. Luyao Li, Xiaoyi He, Gregory A. Wallington, and Nicholas J. 0c08213.
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). The USPS analysis of projected operating emissions was based on estimated per-mile emissions rates.
Less than a year after the first PowerReady project reached completion in a Manhattan apartment building, the program has supported the installation of more than 340 Level 2 chargers and 45 DC fast chargers—including the largest publicly accessible universal charging hub in the Americas, operated by Revel in Brooklyn.
A research report submitted to the California Legislature this week by the University of California, Davis’ Institute of Transportation Studies proposes switching EVs to a mileage-based road-funding fee (road user charge, RUC) while continuing to have gasoline-powered cars pay gasoline taxes. on-board diagnostic [OBD] devices).
A new study suggests that focusing on a gasoline-fueled vehicle’s cold start is the best target for future design changes to reduce emissions of criteria pollutants. The main goal of our project was to find out how effective regulations of gasoline vehicle emissions have been at reducing the formation of smog. —Greg Drozd, Ph.D.
For the second year in a row, the student team from Laval University in Quebec, Canada took home the grand prize at the Shell Eco-marathon Americas, taking top place in the 2010 competition with 2,487.5 miles per gallon US (0.095 L/100km) in the “Prototype” category. mpg US (0.538 L/100km).
But the study also found that EVs are generally driven less than gasoline cars, raising questions about their effectiveness as internal-combustion replacements. A team of researchers from the University of California Davis, University of.
The US Department of Energy (DOE), through its Advanced Vehicle Testing Activity ( AVTA ) at Idaho National Laboratory (INL), has completed 1 million miles of plug-in hybrid electric vehicle (PHEV) testing. The eTec/Nissan project will document more than 70 million miles of electric drive vehicle operations and more than 1.8
Turbo gasoline engine model, has been tuned to deliver 300 bhp, but still manages to significantly reduce fuel consumption and harmful emissions by exploiting combined hydrogen and natural gas technology. Click to enlarge. The Marangoni Evoque HFI-R, based on a Si4 2.0 HFI Hybrid Fuel Injection engine.
In the recently concluded first phase of the fleet test, the cars were driven roughly 150,000 kilometers (93,000 miles). The participants reported virtually no difference in driving experience compared to regular gasoline- or diesel-fueled cars. liter, 127 hp engine which can run on both 100% methanol (M100) and gasoline.
Hydraulic pumps/motors and an accumulator (power storage unit) are added to gasoline, diesel, propane or CNG engines to store braking energy and use the captured energy to accelerate the vehicle, significantly saving fuel and brakes and cutting emissions. stops/mile and 17% idle time. With its high average speed(18.9 mph), low 2.1
Made from the residue left behind after production of gasoline, plastics, and other materials, asphalt still commands $700-800 per ton, or half the price of gasoline at $1,500 per ton, Wen estimates. In general, a one-mile road in a rural area costs at least a million dollars to build.
Two of the vehicles are educational entries from Cornell University and West Philadelphia High School. mile) short course. Entries will include diesel and traditional gasoline-powered vehicles, hybrid models, plug-in hybrids, hydrogen fuel cell cars and vehicles running on biodiesel, flex-fuel and pure electric.
The third phase of a SDG&E multi-year in-use study on plug-in hybrid electric vehicles showed that plug-in hybrids offer significant improvements in gas mileage and reductions in emissions when compared with standard hybrid-electric and gasoline internal combustion engine (ICE) vehicles. Earlier post.) Earlier post.).
In August 2014, Hyundai’s ix35 fuel cell model was driven a record distance for a hydrogen-powered production car on a single tank, covering 435 miles across three Scandinavian countries. Hydrogen is the most abundant element in the Universe but, on earth, it must normally be extracted from water or organic compounds.
Among the findings were: GHG emissions of gasoline ICEVs and HEVs are generally the same across provinces, since the emissions occur mainly during vehicle operation. Fuel-cycle GHG emissions of EVs, CNGVs, gasoline ICEVs and HEVs. Fuel-cycle NO x and SO 2 emissions of EVs, CNGVs, gasoline ICEVs, and HEVs. Credit: ACS, Huo et al.
Portable, lightweight, lockable and weatherproof for indoor/outdoor charging, each unit is universally compatible and backed by a 3-year warranty. The new Jeep Wrangler 4xe delivers 21 miles of electric-only propulsion and is EPA rated at 49 MPGe, making it commuter friendly as an all-electric daily driver without range anxiety.
The California law enabling single-occupant access to the HOV lanes was meant to stimulate sales for fuel-efficient, ultra low-emission vehicles, with the goals of reducing dependence on foreign oil and saving money at the gasoline pump. 6, Issue 3 doi: 10.1257/pol.6.3.1.
Scott Fruin, Neelakshi Hudda and colleagues noted that past research has measured pollution from air traffic before, but most of these studies only sampled air within a couple of miles, at most, from airports. 6 miles) downwind. 790 km (174-491 miles). The total freeway length in Los Angeles is 1500 km (932 miles).
Direct land use, life cycle GHG emissions (excluding indirect land use change), and life cycle fossil fuel requirements to generate the transportation services provided by 17.8 × 10 12 MJ NCV of gasoline, the amount used in transportation in the US in 2009. The life cycle mileage of both vehicles is assumed to be 240,000 km (149,000 miles).
Including the Roadster, Tesla vehicles have now been on the road for almost six years in 31 countries with almost 200 million miles driven to date. As a result, it is able to perform better on snow and ice than many all-wheel drive gasoline cars. Earlier post.) Earlier post.)
mile run on the internationally acclaimed race course. The event, which will benefit The Arc of Schuyler, a not-for-profit organization providing support to people with intellectual and developmental disabilities, including autism, includes a one-mile walk for walkers. Starting at 10 a.m. Admission is free.
A US-wide county-level study comparing lifecycle greenhouse gas (GHG) emissions from several light-duty passenger gasoline and plug-in electric vehicles (PEVs) has found that PEVs can have larger or smaller carbon footprints than gasoline vehicles depending on regional factors and the specific vehicle models being compared.
Professor George Miley of the University of Illinois Urbana-Champaign and director of its Fusion Studies Lab, reported on progress toward a “cold fusion battery”—a small power unit that uses a low energy nuclear reaction (LENR) (i.e., Melvin Miles, Ph.D., More and more people are becoming interested in it.
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