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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. Annual statistics from the U.S. My previous update included data through 2017.). 8 years.
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.
Gen 2 technology has significant long-term scope in terms of the ammonia economy, limited only by the substantial investment and long lead time required to establish new facilities. annual increase over the next three decades), and global fuels consumption (solid gray, 2018 value taken from the BP Statistical Review of World Energy).
Laboratory and in-use fuel economy results Source: NREL. The NREL team collected and analyzed in-service fuel economy, maintenance, and other vehicle performance data on 11 hybrid (P100H) and 11 conventional diesel (P100D) step vans operated by the United Parcel Service (UPS) in Minneapolis. Click to enlarge.
According to the Federal Highway Administration, the average fuel economy for all light vehicles on the road today is 22.3 Based on a vehicle with an average fuel economy of 22.3 Source: Calculated by Oak Ridge National Laboratory using average annual miles and average fuel economy of the light-duty vehicle population from the U.S.
seen in 2010, according to the newly released BP Statistical Review of World Energy, 2012. Emerging economies accounted for all of the net growth, with OECD demand falling for the third time in the last four years, led by a sharp decline in Japan. in the emerging economies. Global energy consumption grew by 2.5%
The gap between official and real-world fuel-economy figures in Europe has risen to about 38%, according to a new report published by the International Council on Clean Transportation (ICCT). Source: ICCT. Click to enlarge. Ten years ago the discrepancy between these real-world and sales-brochure values was at 10%.
The test fleet showed statistically significant effects for some pollutants, but not for others. NO x emissions, a target pollutant of concern for this program, did not show any statistically significant difference between the fuels for the FTP nor for each individual FTP phase.
On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy. On drive cycles representing routes with fewer stops and accelerations, the gHEV trucks demonstrated similar fuel economy to the diesels. Influence of route kinetic intensity on fuel economy.
The study found no statistically significant average effect of TNC entry on fuel economy or transit use but did find evidence of heterogeneity in these effects across urban areas, including larger transit ridership reductions after TNC entry in areas with higher income and more childless households. Ward et al. 2020.101933.
UPS van fuel economy comparison. UPS’ first-generation diesel hybrid delivery vans improved the on-road fuel economy by 28.9% The 12-month average fuel economy for the P70 hybrid vans is 13.1 The 12-month average fuel economy for the P70 hybrid vans is 13.1 Source: Lammert 2009. Click to enlarge. Click to enlarge.
Emerging economies understand the role science and innovation play in the global marketplace and in economic competitiveness and have increasingly placed a priority on building their capacity in science and technology. In addition, emerging economies now invest more in clean energy than advanced economies.
The slowing of vehicle turnover has implications for transportation fuel consumption, because newer vehicles tend to have better fuel economies. Data from the Bureau of Labor Statistics’ Consumer Expenditures Survey show that spending on vehicle repair and maintenance has also increased in recent years. years in 2009 to 10.5
Also, the list of standard test procedures addressed in SAE J1711 has been expanded to cover all five major test cycle procedures (UDDS, HFEDS, US06, SC03, and Cold FTP) now being used to evaluate vehicle fuel economy. There are two basic exhaust emissions and fuel economy tests described in J1711. Earlier post.)
Gasoline consumption per capita was calculated using the population estimates in the ProQuest Statistical Abstract of the United States. Not coincidentally, the first Corporate Average Fuel Economy (CAFE) standards for new cars and light trucks became effective with 1978 model-year vehicles. Total consumption (millions of gallons).
Transporting larger cargo tonnages on larger vessels benefits from an increased economy of scale and would result in proportionally lower CO 2 emissions. This highlights the benefits increased economies of scale would have on this part of the spodumene supply chain, Roskill said. Background Data.
World energy growth over the next twenty years is expected to be dominated by emerging economies such as China, India, Russia and Brazil while improvements in energy efficiency measures are set to accelerate, according to BP’s latest projection of energy trends, the BP Energy Outlook 2030. Click to enlarge. Coal will increase by 1.2%
Built on the concept of the sharing economy, transportation network companies (TNCs) have emerged as a new mode of transport that has significantly affected urban mobility in the past decade, even though TNC trips remain a small fraction of the overall miles travelled. . … —Diao et al.
For their statistical analyses, the researchers made use of anonymized data that vehicle drivers had voluntarily reported to online portals such as Spritmonitor in Germany and MyMPG in the United States. Patrick Plötz, Coordinator of the Business Unit Energy Economy at Fraunhofer ISI and lead author of the study.
In this new study, the authors did a global analysis using temperature projections from 21 climate models, and population and economy projections for five socioeconomic scenarios. The largest changes in demand are due to electricity needed for cooling, and occur in the industry and service sectors of the economy.
reduction of greenhouse gas emissions by 2012 as a group, partly thanks to large emission reductions from economies in transition in the early nineties and more recent reductions due to the 2008-2009 recession, according to the report. Their share of global emissions has now fallen to less than half the global total.
the E30 and E78—led to statistically significant reductions of 9%–13% for total hydrocarbon (THC); 13%–44% for non-methane hydrocarbon (NMHC); 20%–35% for carbon monoxide (CO); and 17%–36% for nitrogen oxides (NO x ) emissions compared to the high-aromatics E10 fuel. The study found that higher ethanol blends—i.e.,
China’s National Bureau of Statistics (NBS) has revised key economic figures for 2008 following its second national economic census, including gross domestic product (GDP) growth rate, energy use growth rate, and rate of reduction in energy use per unit of GDP. The country’s 2008 GDP growth rate has been revised upward from 9.0
Solid-state hydrogen storage materials that are optimized for specific use cases could be a crucial facilitator of the hydrogen economy transition. Yet, the discovery of novel hydriding materials has historically been a manual process driven by chemical intuition or experimental trial and error.
A new analysis from the Consumer Federation of America (CFA) of consumer polling data finds that the proposed MY 2017-2025 passenger vehicle fuel economy (CAFE) and greenhouse gas (GHG) emissions standards to be finalized this summer ( earlier post ) align with consumer demands and needs. mpg US (5.87 L/100km) in model year 2021, and 49.6
Pollution-related losses could impede India’s aspiration to be a $5-trillion economy by 2024, the researchers concluded. Successful reduction of air pollution in India would lead to substantial benefits for both the health of the population and the economy.”. There are similar statistics from Europe, Australia, and Japan.
Gasoline direct-injection (GDI) engines have higher fuel economy compared to the more widely used port fuel injection (PFI) engines. Among the findings from the study: For vehicles certified to the same emissions standard, there is no statistical difference of regulated gas-phase pollutant emissions between PFIs and GDIs. of the data.
Rebounding from the global financial crisis of 2008-09 when emissions temporarily decreased, last year’s high growth was caused by both emerging and developed economies. Emissions from the trade of goods and services produced in emerging economies but consumed in the West increased from 2.5% Canadell and Michael R.
While more fuel efficient cars and trucks are increasing fuel economy—and in light of some of the recently improved economic statistics—consumers remain cautious in their spending as the economy continues toward an uncertain recovery. California gasoline consumption rose 0.6% We’re in an uncertain time.
However, reform has been hampered by concerns over how higher fuel prices will affect the broader economy—potentially disrupting key sectors like transport, industry and agriculture—and the ability of poor citizens to cope with higher prices. Progress toward a complete phaseout, however, has been minimal.
US Government Bureau of Economic Analysis statistics measuring the outdoor recreation economy for the nation show that RVing is the second-largest conventional activity for the nation.
Its four-cylinder gasoline engine, which acts as a generator and is not mechanically connected to the wheels, is tuned to offer maximum economy and high torque. More details on the Fisker Atlantic, including statistics, prices and an on-sale date will be given closer to the launch of the production car.
The report is a comprehensive source of 2021 mineral data for the world and includes information on the domestic industry structure, government programs, tariffs, world production and five-year salient statistics for nonfuel mineral commodities that are important to the US economy and national security.
Researchers at the University of Michigan have mapped the annual flow of steel in the US, with the goal of achieving a detailed understanding of the flow to target increased material efficiency and the development of the circular economy. Researchers in these new areas require a detailed material map in order to identify opportunities.
The first motion directed ARB staff to redo an underlying statistical report that was originally produced under the leadership of an ARB staffer who had falsified his academic credentials, and submit it to a rigorous peer-review process. Tran had falsely claimed a doctorate in statistics from UC Davis. ARB Staff Presentation.
The gap between official fuel-economy figures and the real world for new cars in the EU has reached 40 per cent, according to the latest update by the International Council on Clean Transportation (ICCT) to its on-going research into in-use vehicle fuel efficiency and CO 2 emissions. Earlier post.).
The Northwestern team, with colleagues from Boston University and the NOAA Geophysical Fluid Dynamics Laboratory in Princeton combined climate modeling with public health data to evaluate the impact of electric vehicles on US lives and the economy. Results show that in more aggressive scenarios—i.e., Resources.
The authors conducted statistical analysis on the effects of temperature and constructed an electric vehicle charging model that can show the dynamics of DCFC charging process under different temperatures. Decreased fuel economy in cold weather is also a well-known phenomenon with gasoline and diesel-powered vehicles.
The study’s analysis showed those concerns are overstated, noting it found no statistical difference between the two technologies for ride-hailing companies. While the data was collected in pre-pandemic times, the results also can hold implications for delivery drivers and the gig economy, where drivers make multiple trips throughout the day.
Statistics are curious and often contradictory things. That's doubly so when they reveal shopping habits, because shoppers are curious and contradictory creatures.
This was mainly due to the continuing steady increase in energy use in emerging economies over the past ten years. The report is based on recent results from the joint JRC/PBL Emissions Database for Global Atmospheric Research (EDGAR), the latest statistics on energy use and various other activities. billion tonnes (Gt).
When we say we met the hurdle, part of that is through improved fuel economy with actual equipment, and part of it is how we eliminate empty miles—excess miles. One of the key statistics: year to date, we have shipped 150 million more cases and yet driven 90 million less miles. How we load the trailer, the effects of packaging.
The morning session started out with an hour long press conference, the highlight being the unveiling of the Volt’s 230 mpg preliminary EPA city fuel economy finding ( earlier post ), as well as a tour showing selected elements from the studios of the four GM North American brands: Chevrolet, GMC, Buick and Cadillac. Focus on fuel economy.
The intent of this subtopic is to pursue the development of technologies that can improve the fuel economy of vehicles with modern Gasoline Direct Injection (GDI) engine powertrains while meeting regulated exhaust emissions requirements with modern 3-way catalytic converters under stoichiometric conditions.
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