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vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2019. (My Calculated vehicle fuel economy is available going back to 1923. The graph below shows the changes in actual vehicle fuel economy from 1966 through 2019.
The average fuel-economy (window-sticker) value of new vehicles sold in the US in October was 24.8 mpg from September, according to the monthly analysis from Michael Sivak and Brendan Schoettle from the University of Michigan Transportation Research Institute (UMTRI). Vehicle fuel economy is up 4.7 l/100km), up 0.2
vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Calculated vehicle fuel economy is available going back to 1923. For 1966 through 1985, fuel economy was calculated from the information in a summary publication by the U.S.
This analysis examines the effect of this downturn in driving on gasoline consumption (both total and per capita), and places the consumption in 2020 in a historical context. 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).
The average fuel economy (window-sticker value) of new vehicles sold in the US in March was 25.4 mpg improvement from the revised value for February and the best mark yet, according to the monthly report from University of Michigan Transportation Research Institute (UMTRI) researchers Dr. Michael Sivak and Brandon Schoettle.
million over three years as part of an $80-million Co-Optima funding round ( earlier post ) to conduct research and development for an advanced mixed-mode gasoline (spark/compression ignition) engine to attain significant improvements in both fuel economy and CO 2 emissions. HATCI) was established in 1986 in Ann Arbor, Michigan.
A study by a team led by Dr. Dennis Assanis at the University of Michigan suggests that accessing the “thermodynamic sweet spot” in high-efficiency, dilute, boosted gasoline engines has the potential for vehicle fuel economy gains between 23% and 58%. —Lavoie et al. Martz and Dennis N.
The average fuel economy (window-sticker value) of new vehicles sold in the US in August was 23.8 mpg (or 18%) from October 2007, according to researchers at the University of Michigan Transportation Research Institute (UMTRI). Average sales-weighted fuel economy. l/100km)—up 0.2 mpg from July, and up 3.7
The average fuel economy (window-sticker value) of new vehicles sold in the US in October was 25.3 l/100 km)—unchanged from the value in September, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI).
The average fuel economy (window-sticker value) of new vehicles sold in the US in May was 25.6 mpg from the value for April, according to the monthly report from Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). Vehicle fuel economy is up 5.5 l/100 km), up 0.4
The average fuel-economy (window-sticker) value of new vehicles sold. mpg from May, according to the latest monthly report from Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). reduction likely reflects the recent drop in the price of gasoline, they suggested.
The average fuel-economy (window-sticker) value of new vehicles sold in the US in September was 24.6 l/100 km), according to the latest analysis from Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute. Despite this drop, vehicle fuel economy is up 4.5 This value is down 0.3
The average fuel economy (window-sticker value) of new vehicles sold in the US in December was 23.9 l/100km), according to the latest monthly report from Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). This is an increase of 3.8 This is an increase of 3.8 in October.
The average fuel-economy (window-sticker) value of new vehicles sold in the US in April was 24.5 mpg, according to the most recent tracking data from Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). Despite this small drop, the fuel economy is up 4.4
The average fuel economy (window-sticker value) of new vehicles sold in the US in November was 25.3 l/100 km)—unchanged from the value in October, according to the monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). in September, up from 0.76
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.
The average sales-weighted fuel economy (adjusted EPA window sticker value) of new vehicles purchased in the US dropped 0.2 L/100km), likely reflecting the slight reduction the price of gasoline, according to the monthly report from researchers at the University of Michigan Transportation Research Institute (UMTRI).
At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). —Wheeler et al.
The average fuel economy (window-sticker value) of new vehicles sold in the US in June was 23.6 L/100km), according to figures from the University of Michigan Transportation Research Institute (UMTRI). However, the fuel economy in June was down 0.1 However, the fuel economy in June was down 0.1 Source: UMTRI.
The average fuel economy (window-sticker value) of new vehicles sold in the US in April was 23.9 L/100 km), according to the latest figures from the University of Michigan Transportation Research Institute (UMTRI). Although this represents an increase of 3.8 mpg from March. Although this represents an increase of 3.8
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.
The average fuel economy (window-sticker value) of new vehicles sold in the US in June was 25.1 mpg from May, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at University of Michigan Transportation Research Institute (UMTRI). l/100 km)—down 0.2 The value for June is up 5.0
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). Earlier post.). The U-M team’s paper is published in Environmental Science & Technology.
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.
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.
The Responsible Battery Coalition, in partnership with the University of Michigan Center for Sustainable Systems, launched a comprehensive research project to compare the total cost of ownership of gas and electric vehicles (EVs). Gregory Keoleian, Director of the Center for Sustainable Systems at the University of Michigan.
A key strategy for achieving the project goals will be a pioneering low-temperature gasoline combustion system that could help significantly improve light-duty vehicle fuel economy. Delphi is an industry leader in advanced powertrain technology development, with new gasoline direct injection (GDi) systems soon entering production.
According to the study, higher fuel economy standards would benefit the Detroit 3 automakers the most. Further, the report finds that the existing culture within the domestic auto companies systematically underestimates the value of fuel economy, which has crippled profitability. Fuel Economy. Source: McManus and Kleinbaum.
The average fuel economy (window-sticker value) of new vehicles sold in the US in September was 25.2 mpg from August, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). Fuel economy is down 0.6 l/100 km), down 0.1
The average fuel economy (window-sticker value) of new vehicles sold in the in August was 25.3 mpg from July, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). Fuel economy is down 0.5 l/100 km), down 0.1
The average fuel economy (window-sticker value) of new vehicles sold in the US in December was 25.1 mpg from the peak reached in August, according to the monthly tally from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). l/100 km)—down 0.2
The average fuel economy (window-sticker value) of new vehicles sold in the US in January was 25.4 mpg from the peak reached in August of 2014, according to the monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). l/100 km)—up 0.3 Click to enlarge.
The average fuel economy (window-sticker value) of new vehicles sold in the US in calendar year 2015 was 25.3 mpg from the value for the vehicles sold in 2014, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at University of Michigan Transportation Research Institute (UMTRI). l/100km), down 0.1
The average fuel economy (window-sticker value) of new vehicles sold in the US in October was 25.0 mpg from September, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). Fuel economy is down 0.8 l/100km)—down 0.2
Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. 1, and the engine is designed to run on 98 RON gasoline. Earlier post.). The approach. mm; compression ratio is 11.5:1, Source: Ford.
The average fuel economy (window-sticker value) of new vehicles sold in the US in March was 25.4 Dr. Michael Sivak and Brandon Schoettle at University of Michigan Transportation Research Institute (UMTRI). They sugested that this change likely reflects the increased gasoline prices from February to March.
The average fuel economy (window-sticker value) of new vehicles sold in the US in August was 25.3 mpg from the value for July, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at University of Michigan Transportation Research Institute (UMTRI). Fuel economy is down 0.5
The average fuel economy (window-sticker value) of new vehicles sold in the US in May was 25.5 mpg from April—according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). Fuel economy is down 0.3 l/100 km)—up 0.3
The average fuel economy (window-sticker value) of new vehicles sold in the US in January was 25.1 mpg from the revised value for December, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). l/100 km)—up 0.1
Average fuel economy (window-sticker value) of new vehicles sold in the US in May 2016 was 25.4 mpg from the value for April 2016, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at University of Michigan Transportation Research Institute (UMTRI). Fuel economy is down 0.4
The average fuel economy (window-sticker value) of new vehicles sold in the US in November was 25.0 mpg from the revised value for October, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). Fuel economy is down 0.8
Automotive X Prize teams from New York, Pennsylvania, Michigan and Indiana will compete at the 7 th Annual Green Grand Prix Friday, April 15, at Watkins Glen International. Two of the vehicles are educational entries from Cornell University and West Philadelphia High School. mile) short course.
liter EcoBoost gasoline turbocharged direct injection (GTDI) four-cylinder unit. Ford says the engine can deliver up to 15% better fuel economy than comparable six-cylinder engines. Weaver (2013) Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development (DOE 2013 Merit Review). Engines Fuel Efficiency'
A new report by University of Michigan Transportation Research Institute (UMTRI) researcher Dr. Michael Sivak has found a 6.3% spread between the fuel economy obtained with maximum and minimum rolling resistance tires. Rolling resistance (RRf) for the combined set of all tires examined ranged from 8.1 with a median of 10.28
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