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The 2022 FuelEconomy Guide, released by ORNL for the DOE/EPA fueleconomy.gov website, provides up-to-date information on fueleconomy, environmental and safety data, so consumers can choose the most fuel-efficient vehicle that meets their needs. Credit: Andrew Sproles/ORNL, U.S.
A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fueleconomy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Also since 1975, light-duty vehicle travel increased by 134% while fuel use increased by only 37%.
Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fueleconomy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. That’s where PNNL’s onboard separation technology comes in.
At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fueleconomy (CAFE) target of 26 mpg (9.05 Earlier post.). l/100 km), and as such would not meet the GHG requirement of 28 mpg (8.4
In this case—which reflects only current laws and regulations—renewable energy is the fastest-growing energy source through 2050, while petroleum remains the largest share of energy consumption throughout that period, followed by natural gas.
However, they also noted, high PTW efficiencies and the moderate fueleconomies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. The WTW analysis focused solely on the fuel-motive power cycle, disregarding the vehicle cycle—i.e., —Curran et al.
The latest edition of the US Environmental Protection Agency (EPA) annual Automotive Trends Report finds that Model Year (MY) 2017 vehicle fueleconomy was 24.9 Since MY 2004, fueleconomy and CO 2 emissions have improved in eleven out of thirteen years. Estimated Real-World CO 2 and FuelEconomy.
Developed for hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs), BorgWarner’s innovative Exhaust Heat Recovery System (EHRS) can improve fueleconomy by up to 8.5% The EHRS reduces mechanical losses by using the energy conserved within the exhaust gas. and reduce emissions significantly.
Cumulative greenhouse gas emissions versus vehicle mileage for (a) internal combustion engine and battery electric sedans, SUVs, and pickup trucks, and (b) hybrid electric and battery electric sedans, SUVs, and pickup trucks. The lower and higher limits of each range are results for base and premium models, respectively. Woody et al.
In 2018, 27% of new light-duty vehicles sold in the US had fueleconomies of more than 30 miles per gallon (783 l/100 km), according to the US Department of Energy (DOE). By contrast, none of the light-duty vehicles produced in 1975 had fueleconomy greater than 30 miles per gallon (mpg). In 1995, 4.4% In 2018, 2.4%
The US Environmental Protection Agency (EPA) released its annual Automotive Trends Report , which shows that model year (MY) 2021 vehicle fueleconomy remained at a record high—but flat with MY 2020 fueleconomy—while CO 2 emission levels reached a new record low. Source: EPA. Source: EPA.
In the US, Model Year (MY) 2018 vehicle fueleconomy was 25.1 Since MY 2004, CO 2 emissions have decreased 23%, or 108 g/mi, and fueleconomy has increased 30%, or 5.8 Average estimated real-world CO 2 emissions are projected to fall 6 g/mi to 346 g/mi and fueleconomy is projected to increase 0.4
liter, twin-turbo, inline, six-cylinder engine, named Hurricane, that delivers better fueleconomy and fewer emissions than larger engines while at the same time generates more horsepower and torque than many competitors’ naturally aspirated V-8 and boosted six-cylinder power plants. 1 compression ratio and uses 91 octane premium fuel.
This action is based on the premise that federal law preempts state and local tailpipe greenhouse gas (GHG) emissions standards as well as zero emission vehicle (ZEV) mandates. The action finalizes parts of the SAFE Vehicles Rule that was first proposed on 2 August 2018. Earlier post.)
liter V-6 EcoDiesel is also expected to lead the segment on fueleconomy. Pricing and fueleconomy ratings will be announced closer to the truck’s on-sale date. liter EcoDiesel V-6 delivers increased torque and horsepower, along with fueleconomy and minimal levels of noise, vibration and harshness (NVH).
The trucks were unveiled during a ceremony at the SWBNO Central Yard on 28 January 28, which featured New Orleans Mayor LaToya Cantrell, as well as representatives from SWBNO and project partners including New Orleans Regional Planning Commission (RPC), Southeast Louisiana Clean Fuel Partnership, and XL Fleet.
Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle. When fueled by hydrogen produced from landfill gas, the total dropped to 117 g CO 2 e/mi.
According to its initial assessment, XL is reporting that the XLP F-250 truck will provide up to a 50% improvement in miles driven per gallon (MPG) over conventional factory units, while reducing greenhouse gas (GHG) emissions by 33% during normal operation.
Volkswagen has developed and deployed a gasoline engine that offers diesel-like fueleconomy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 Currently applied in the new Golf and Golf Variant ( earlier post ), the 1.5 l/100 km (49 mpg US).
The new powertrain is the first to utilize the Group’s new CVVD technology and also features Low-Pressure Exhaust Gas Recirculation (LP EGR) to further optimize fuel efficiency.
one of the largest publicly traded water, wastewater and natural gas providers in the US, serving approximately 5 million people across 10 states under the Aqua and Peoples brands, is launching a pilot program to electrify its two most popular commercial GM vehicle platforms with the XLH hybrid electric drive system.
A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas.
Maverick comes as a standard five-passenger, four-door pickup, with a full-hybrid powertrain and a projected EPA-estimated rating of 40 mpg city fueleconomy and 500 miles of range on a single tank of gas. Ford unveiled the 2022 Ford Maverick compact pickup truck. The Maverick product proposition is like nothing else out there.
USenergy-related carbon dioxide emissions and fossil fuel energy consumption. Petroleum emissions from other sectors have fallen in recent years as equipment and processes that use petroleum fuels have been replaced by those using other fuels, in particular, natural gas.
Russia’s invasion of Ukraine and the skyrocketing fuel prices that ensued last year got me thinking about how to cut down on my consumption of gasoline. I knew, though, that it was going to be difficult to test out different driving techniques without more immediate feedback of their effects on fueleconomy. Mine doesn’t.
Mack Trucks, one of North America’s largest producers of heavy-duty trucks, has selected the Allison 4500 Rugged Duty Series (RDS) as the exclusive transmission currently offered for its new compressed natural gas (CNG)-powered Mack Granite model. We are pleased to partner with Mack on this sustainability initiative.
The new Corolla SE Hybrid grades (FWD and AWD) inherit the Gas SE’s sport suspension and the firmer-feel Electronic Power Steering. liter Atkinson-cycle four-cylinder gas engine with two motor-generators through a planetary-type continuously variable transmission. The EPA combined fueleconomy rating is 44 mpg.
safety regulator has officially launched more relaxed fueleconomy standards, following a similar move from the Environmental Protection Agency (EPA) made a few months ago. The National Highway Traffic Safety Administration (NHTSA) has officially announced new fuel standards requiring an average fleet fueleconomy of 50.4
Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.
The Environmental Protection Agency (EPA) is finalizing the federal greenhouse gas (GHG) emissions standards for passenger cars and light trucks for Model Years (MY) 2023 through 2026. CO 2 , Compared to the Proposal and 2012 and 2020 Rules, grams/mile, 2021-2026. Source: EPA. The standards they replace increased in stringency by only 1.5%
In a paper in the journal Fuel , Li et al. applied partially premixed combustion mode to a direct-injection natural gas engine based on a 3D model coupled with a dual-fuel chemical kinetic mechanism (n-heptane/natural gas). In a paper in the journal Fuel , Li et al.
The battery-electric locomotive is expected to reduce the environmental impact from emissions along the route in an efficient manner, while improving the fueleconomy for the entire consist by at least 10%. When running on the mainline, both the battery-electric and diesel locomotives will power the train.
Wärtsilä has launched the 31SG pure gas engine for marine market applications. The launch of the Wärtsilä 31SG introduces a 4-stroke engine having the best fueleconomy of any engine in its class. The increasing adoption of hybrid propulsion offers additional opportunities for pure gas engines. MW, at 720 and 750 rpm.
The US Environmental Protection Agency (EPA) released its 28 th annual Inventory of US Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2019. from 2018 to 2019, and CO 2 emissions just from fossil fuel combustion decreased 2.7%
However, in August, the National Highway Traffic Safety Administration and the US Environmental Protection Agency proposed freezing the current federal fuel efficiency and greenhouse gas emissions standards for model year 2021-26 vehicles at 2020 levels, instead of requiring car makers to increase efficiency and reduce emissions year over year—as (..)
It will be compliant to the US EPA’s 2027 regulations while providing a step change in fueleconomy improvement. Cummins is offering a full portfolio of products in 2026 to cover the medium-duty and heavy-duty customer needs, including the new 15-liter natural gas engine, the X15N. Additionally, the B6.7
The main contributor to increasing fueleconomy and reducing emissions on the MX-30 e-Skyactiv R-EV rotary engine was the use of direct fuel injection. This has a negative effect on both fueleconomy and engine output. This has a negative effect on both fueleconomy and engine output. Drive modes.
The US Environmental Protection Agency (EPA) released its 30 th annual Inventory of US Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2021. In 2021, US greenhouse gas emissions totaled 6,340.2 of US greenhouse gas emissions in 2021.
Excess heat and pressure from the exhaust gas are recaptured by the turbo-compound unit. The Volvo integrated driveline then uses extreme downspeeding to maintain road speed at lower RPM, saving even more fuel. Volvo Trucks North America’s latest-generation D13 Turbo Compound engine is now standard on all VNL models.
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.
The federal government on Friday revealed vehicle efficiency standards for 2027-2031 that improve the fleet fuel efficiency of new cars and trucks—slightly.
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). An all-electric fleet would reduce lifetime greenhouse gas emissions by 14.7 Earlier post.). Woody et al.
A research team at the University of Wisconsin–Madison has identified a new way to convert ammonia to nitrogen gas through a process that could be a step toward ammonia replacing carbon-based fuels. This process can be harnessed to produce electricity, with protons and nitrogen gas as byproducts.
The EcoDiesel V-6 engine also features low-friction pistons to improve fueleconomy, reduce greenhouse gas emissions and provide an enhanced combustion system – injector nozzle, piston bowl and glow plug with integrated combustion pressure sensor to optimize combustion. Transmissions. 1 crawl ratio.
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