Energy efficiency in cars and light trucks

Publisher: Congressional Research Service, Library of Congress in [Washington, D.C.]

Written in English
Published: Pages: 50 Downloads: 410
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  • Motor vehicles -- Fuel consumption -- Design and construction,
  • Automobiles -- Fuel consumption -- Design and construction,
  • Motor vehicle industry -- Energy conservation

Edition Notes

StatementDaniel Morgan, consultant ; [contract supervision by Richard Rowberg and Fred Sissine]
SeriesMajor studies and issue briefs of the Congressional Research Service -- 1992, reel 11, fr. 00063
ContributionsRowberg, Richard E, Sissine, Fred J, Library of Congress. Congressional Research Service
The Physical Object
Pagination50 p.
Number of Pages50
ID Numbers
Open LibraryOL15460064M

  This new energy legislation, the Energy Independence and Security Act of , raised the fuel economy standards of America's cars, light trucks, and SUVs to a combined average of at least 35 miles per gallon by —a 10 mpg increase over levels—and required standards to be met at maximum feasible levels through ACEEE believes that the United States can harness the full potential of energy efficiency to achieve greater economic prosperity, energy security, and environmental protection for all its people. 14th Street NW, Suite Washington, DC () Engines idle for a variety of reasons, such as to keep vehicles warm, operate emergency lighting or radios, or power off-board equipment. Each year, U.S. passenger cars, light-duty trucks, medium-duty trucks, and heavy-duty vehicles consume more than 6 billion gallons of diesel fuel and gasoline—without even moving. Roughly half of that fuel. Review of the Incidence, Energy Use and Costs of Passenger Vehicle Idling. Gordon W. Taylor, Prepared for the Office of Energy Efficiency, Natural Resources Canada, Return to footnote 3 referrer. Footnote 4. Actual value: kg CO 2 /L – National Inventory Report , Table A, April Return to footnote 4 referrer.

The fuel economy of conventional gasoline-powered light-duty vehicles, which include cars, SUVs, minivans and pickup trucks, can be increased to at least 35 miles per gallon by through improvements in internal combustion engines, transmissions, aerodynamics, and other technologies.   Using advanced lightweight materials on even the most basic car parts can improve overall fuel efficiency, too. According to the Department of Energy. For cars, a 5%–7% reduction in rolling resistance increases fuel efficiency by 1%, but these improvements must be balanced against traction, durability, and noise. more A vehicle spends significant time idling in city driving (stop and go traffic), using energy to run the engine and power the water pump, power steering, and other accessories. Find the most fuel efficient new and used cars and trucks See which vehicles have the best and worst fuel economy in each vehicle class! Best and Worst MPG Trucks, Vans and SUVs.

The vertical scatter along a line of constant weight reflects the fact that vehicles Attachment 3A A Technical Evaluation of Two Weight- and Engineering-Based Fuel-Efficiency Parameters for Cars and Light Trucks 0 2 4 6 8 10 12 10 15 20 25 30 35 40 45 50 55 60 Fuel economy (miles per gallon) F ue l c on su m ed (ga llo ns p er 1 00 m ile s.   The vast majority of American cars run on gasoline. But analysts say that's poised to change as electric vehicles take over the market — albeit .

Energy efficiency in cars and light trucks Download PDF EPUB FB2

Light truck and car percentages from to are from Table of the Transportation Energy Data Book, Edition 27 (Davis et al., ). Light truck and car percentages for and are from Ward’s Automotive Group, a division of Prism Business Media, Inc., Ward’s U.S.

Light Vehicle Sales Summary, Ward’s AutoInfoBank, available. The new category Light duty vehicle, long wheel base includes large passenger cars, vans, pickup trucks, and sport/utility vehicles with wheelbases (WB) larger than inches.

The fuel efficiency figures for Light duty vehicles represent the sales-weighted harmonic average of the combined Passenger car and Light truck fuel economies. Get this from a library.

Energy efficiency in cars and light trucks. [Daniel Morgan; Richard E Rowberg; Fred J Sissine; Library of Congress. Congressional Research Service.]. Advanced materials are essential for boosting the fuel economy of modern automobiles while maintaining safety and performance.

Because it takes less energy to accelerate a lighter object than a heavier one, lightweight materials offer great potential for increasing vehicle efficiency. U.S. Department of Energy - Energy Efficiency and Renewable Energy Alternative Fuels Data Center Cars: Commuter Rail: Light Trucks: Transit Buses: Demand Response: pmpGGE: Source: Oak Ridge National Laboratory, Transportation Energy Data Book ,Table British thermal unit (BTU) to GGE.

Below is the text version for the Energy Heavy Duty Vehicle Efficiency video. The words “Energy Heavy Duty Vehicle Efficiency” appears on the screen, followed by a montage of semi-trucks on a freeway. They haul, they pick up, and they deliver almost everything we use. Energy-efficient driving techniques are used by drivers who wish to reduce their fuel consumption, and thus maximize fuel use of these techniques is called "hypermiling".Simple fuel-efficiency techniques can result in reduction in fuel consumption without resorting to radical fuel-saving techniques that can be unlawful and dangerous, such as tailgating larger vehicles.

Because of their light weight and small motors, they are extremely energy-efficient with a typical energy efficiency of kW⋅h ( MJ) per km ( MPGe km/l l/ km), even more efficient than bicycles and walking. Such is the power of efficiency.

EVs convert a far higher proportion of the energy from the socket to power their wheels than a conventional vehicle does. The Department of Energy puts it. Because light trucks are projected to make up a growing share of the total light-duty vehicle fleet, the weighted-average fuel economy is expected to be closer to that of light trucks.

In the AEO Reference case, on-road fuel economy of new light-duty vehicles increases from about 25 mpg in to 36 mpg in U.S. Department of Energy - Energy Efficiency and Renewable Energy Alternative Fuels Data Center Car: Light Truck/Van: Paratransit Shuttle: Delivery Truck: School Bus: Class 8 TruckTable VM Calculated from statistics found in American Public Transit Association's Public Transportation Fact Book Gordon, Deborah, Juliet.

GREEN DRIVING. Buying green is just the first step in reducing the environmental impacts of automobile use. Your choice of vehicle is most important, but how you drive and how well you maintain your car, van, or light truck will also make a difference. The newest addition to the CX-5’s lineup is the availability of a diesel engine.

Not only does this choice improve the combined fuel economy from. The current CAFE standards require auto manufacturers selling in the United States to meet certain fuel economy levels for their fleets of new cars and light trucks (pickups, minivans, and sport. Proposed Rule: The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule for Model Years Passenger Cars and Light Trucks (PDF) ( pp, MB, published Aug ) Fact Sheet: MYs CAFE Proposal - By the Numbers (PDF) (1.

Byconnected autonomous vehicles could reduce fuel consumption by as much as 44 percent for passenger vehicles and 18 percent for trucks, according to a new study released by the Energy. 5 percent annually, most passenger cars must achieve 39 mpg, and light trucks 30 mpg, by Accompanying this announcement was a memo expressing the intent to create emissions standards for medium- and heavy-duty trucks, as required by the EISA.

Passenger Car and Light Truck Standards for and beyond InNHTSA established final passenger car and light truck CAFE standards for model yearswhich the agency projects will require in model yearon average, a combined fleet-wide fuel economy of mpg.

The average age for cars and light trucks reached parity in and remained the same through with both averaging years. The trend toward parity for cars and light trucks is likely influenced by the increasing popularity of crossover vehicles that are classified as light trucks but largely serve the same function as cars.

Light-duty vehicle energy consumption can be influenced by vehicle fuel economy or through passenger behavior and vehicle use.

LDV fuel efficiency, the number of vehicles on the road (vehicle stock and new sales each year), and the vehicle mix between cars and light-duty trucks are key factors that determine fuel consumption. Sincethe energy use in the transportation sector grew by 27%, though the share of U.S.

energy used for transportation increased by less than 2 percent. 3; InAmerican cars and light trucks used Quadrillion BTUs of energy, representing 16% of total U.S.

energy consumption. transportation energy consumption is reported as the sum of energy use in the following transport modes: • Light-duty vehicles (cars, light trucks, and two- and three-wheeled vehicles) • Commercial light trucks (8, pounds–10, pounds gross vehicle weight rating) • Freight trucks (greater t pounds gross vehicle weight).

Energy efficiency for transportation and alternative fuels; Fuel Consumption Guide. Download the Fuel Consumption Guide [PDF – MB] The Fuel Consumption Guide gives information about the fuel consumption of model year light-duty vehicles.

You can use this information to compare vehicles as you shop for the most fuel. To assist you with your truck shopping research, we’ve ranked the most fuel-efficient trucks on the market. In addition, we provide information about each truck’s horsepower and torque ratings, as well as which fuel-saving configurations have the lowest starting price.

Best Cars for Dogs in The Fastest New Cars Under $50, for. Transportation accounts for approximately 28% of U.S. energy consumption with the majority of transportation energy derived from petroleum sources.

Many technologies such as vehicle electrification, advanced combustion, and advanced fuels can reduce transportation energy consumption by improving the efficiency of cars and trucks.

Lightweight materials are another important. The Greenest List features the most environmentally friendly cars now available. Each car is given a Green Score based on an environmental damage index (EDX), which reflects the cost to human health from air pollution associated with vehicle manufacturing, the production and distribution of fuel or electricity, and vehicle tailpipes.

Nearly 30% of new cars and 55% of new light trucks produced in had stop-start systems. To read more see Tables & of the Transportation Energy Data Book: Edition Read More.

Natural Resources Canada recognizes the most fuel-efficient new light-duty vehicles sold in Canada. Best-in-class vehicles have the lowest combined fuel consumption rating, based on 55% city and 45% highway driving. For each class, the most fuel-efficient conventional vehicle and the most efficient electric vehicle (where applicable) are.

Note that a light-duty truck, despite its significantly higher miles per gallon than a Class 8 truck, achieves much lower freight efficiency because of its limited cargo capacity relative to the Class 8 truck. R&D Opportunities for Heavy Trucks Overview Opportunities for increasing the freight efficiency of heavy trucks could entail.

Check out the 10 most fuel-efficient cars based on Consumer Reports' exclusive fuel economy tests. These gas sippers are easy on the wallet.

Fuels of the Future for Cars and Trucks Dr. James J. Eberhardt Energy Efficiency and Renewable Energy U.S. Department of Energy Diesel Engine Emissions Reduction (DEER) Workshop San Diego, California August 25 - 29, SinceHDV energy consumption and tailpipe CO 2 emissions have expanded by about % per year, and trucks account for more than 80% of this growth.

In the near term, vehicle efficiency standards, together with co‑ordinated efforts by multiple stakeholders to improve logistics and operational efficiency, are needed to dampen this growth.improvements to in-car air conditioners (better efficiency, reduced leaks, and the use of refrigerants with a lower impact on the climate).

Because CAFE compliance tests do not reflect real-world driving, the average on-road fuel economy for new cars and light trucks is expected to be about mpg byup from mpg.