The Monroney sticker or window sticker is a label required in the United States to be displayed in all new automobiles. It includes the listing of certain official information about the car. The window sticker was named after Almer Stillwell "Mike" Monroney, a United States Senator from Oklahoma.
In 1955, Senator Mike Monroney chaired a subcommittee of the Senate Interstate and Foreign Commerce Committee that investigated complaints from car dealerships in the United States about abusive treatment by manufacturers. [1] The subcommittee continued working and investigated deceptive practices by car dealerships. [1] Since there was no price disclosed on each car, dealers could inflate the manufacturer's suggested retail price to give the impression that buyers received a significant discount allowance or higher value for the used car they traded. [1] There were also hidden fees and nonessential costs that were added by some dealers and consumers lacked price information, listing of options, and destination charges as they were shopping for new cars. [2]
Monroney sponsored the Automobile Information Disclosure Act of 1958, which mandated the disclosure of information about the car, its equipment, and pricing for all new automobiles sold in the United States. The act does not apply to vehicles with a gross vehicle weight rating (GVWR) of more than 8,500 lb (3,856 kg). [3]
Since the mid-1970s, the United States Environmental Protection Agency has provided fuel economy metrics in the label to help consumers choose more fuel-efficient vehicles.
New requirements for the Monroney label were issued, starting with 2008 model-year cars and light-duty trucks sold in the US. This was included in the 2007 Energy Independence and Security Act (EISA) that mandated the inclusion of additional information about fuel efficiency as well as ratings on each vehicle's greenhouse gas emissions and other air pollutants. [4] [5] [6]
A more comprehensive fuel economy and environment label was mandatory beginning in model year 2013, though some carmakers voluntarily adopted it in 2012. The new window sticker includes specific labels for alternative fuel and alternative propulsion vehicles available in the US market, such as plug-in hybrids, electric vehicles, flexible-fuel vehicles, hydrogen fuel cell vehicles, and natural gas vehicles.
The new label allows consumers to compare alternative fuel and advanced technology-powered vehicles with conventional internal combustion engine vehicles using miles per gallon of gasoline equivalent (MPGe) as a metric. Other information includes greenhouse gas and smog emissions ratings, fuel cost estimates over the next five years, and a QR Code that a smartphone can scan for users to access additional online information.
The Monroney sticker is required to be affixed to the side window or windshield by the manufacturers before shipment of new vehicles to the dealer for sale in the United States and it can only be removed by the consumer (Chapter 28, Sections 1231–1233, Title 15 of the United States Code). A fine of up to US$1,000 per vehicle for each offense is authorized if the sticker is missing, and other fees and penalties are authorized if the sticker is altered illegally (including imprisonment). [7]
The sticker must include the following information:
The statute has been amended to include:
As required by the 2007 Energy Independence and Security Act (EISA), with the introduction of advanced-technology vehicles in the U.S. new information should be incorporated in the Monroney label of new cars and light-duty trucks sold in the country, such as ratings on fuel economy, greenhouse gas emissions, and other air pollutants. The U.S. Environmental Protection Agency and the National Highway Traffic Safety Administration (NHTSA) conducted a series of studies to determine the best way to redesign this label to provide consumers with simple energy and environmental comparisons across all vehicles types, including battery electric vehicles (BEV), plug-in hybrid electric vehicles (PHEV), and conventional internal combustion engine vehicles powered by gasoline and diesel, to help consumers choose more efficient and environmentally-friendly vehicles. [8] [9]
As part of the research and redesign process, EPA conducted focus groups where presented participants with several options to express the consumption of electricity for plug-in electric vehicles. The research showed that participants did not understand the concept of a kilowatt hour as a measure of electric energy use even though this is the unit used in their monthly electric bills. Instead, participants favored a miles per gallon of gasoline equivalent, MPGe, as the metric to compare with the familiar miles per gallon used for gasoline vehicles. The research also concluded that the kW-hrs per 100 miles metric was more confusing to focus group participants compared to miles per kW-hr. Based on these results, EPA decided to use the following fuel economy and fuel consumption metrics on the redesigned labels: MPG (city and highway, and combined); MPGe (city and highway, and combined); Gallons per 100 miles; kW-hrs per 100 miles. [9]
The proposed design and final content for two options of the new sticker label that will be introduced in 2013 model year cars and trucks were consulted for 60 days with the public in 2010, and both included miles per gallon equivalent and kW-hrs per 100 miles as the fuel economy metrics for plug-in cars, but in one option MPGe and annual electricity cost are the two most prominent metrics. One of the design options had a letter grading system from A to D and the rating would have compared a given vehicle's fuel economy and air pollution to those of the entire fleet of new cars. The letter grade system was opposed by carmakers and rejected after the public consultation. [6] [10] [11] In November 2010, EPA introduced MPGe as a comparison metric on its new sticker for fuel economy for the Nissan Leaf and the Chevrolet Volt. [12] [13]
In May 2011, the National Highway Traffic Safety Administration (NHTSA) and EPA issued a joint final rule establishing new requirements for a fuel economy and environment label that will be mandatory for all new passenger cars and trucks starting with model year 2013, though carmakers can adopt it voluntarily for the 2012 model year. The ruling includes new labels for alternative fuel and alternative propulsion vehicles available in the US market, such as plug-in hybrids, electric vehicles, flexible-fuel vehicles, hydrogen fuel cell vehicle, and natural gas vehicles. [4] [5] The common fuel economy metric adopted to allow the comparison of alternative fuel and advanced technology vehicles with conventional internal combustion engine vehicles is miles per gallon of gasoline equivalent (MPGe). A gallon of gasoline equivalent means the number of kilowatt-hours of electricity, cubic feet of compressed natural gas (CNG), or kilograms of hydrogen that is equal to the energy in a gallon of gasoline. [4]
The new labels include for the first time an estimate of how much fuel or electricity it takes to drive 100 miles (160 km), providing U.S. consumers with fuel consumption per distance traveled, the efficiency metric commonly used in many other countries. EPA's objective is to avoid the traditional miles per gallon metric that can be potentially misleading when consumers compare fuel economy improvements and this is known as the "MPG illusion." [4] [6]
Other information provided for the first time in the redesigned labels includes: [5] [6]
Fuel efficiency is a form of thermal efficiency, meaning the ratio of effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per application, and this spectrum of variance is often illustrated as a continuous energy profile. Non-transportation applications, such as industry, benefit from increased fuel efficiency, especially fossil fuel power plants or industries dealing with combustion, such as ammonia production during the Haber process.
Corporate average fuel economy (CAFE) standards are regulations in the United States, first enacted by the United States Congress in 1975, after the 1973–74 Arab Oil Embargo, to improve the average fuel economy of cars and light trucks produced for sale in the United States. More recently, efficiency standards were developed and implemented for heavy-duty pickup trucks and commercial medium-duty and heavy-duty vehicles.
The Toyota RAV4 EV is an all-electric version of the popular RAV4 SUV produced by Toyota until 2014. Two generations of the EV model were sold in California, and to fleets elsewhere in the US, with a gap of almost ten years between them.
The Ford Fusion Hybrid is a gasoline-electric hybrid powered version of the mid-sized Ford Fusion sedan manufactured and marketed by Ford, now in its second generation. A plug-in hybrid version, the Ford Fusion Energi, was released in the U.S. in February 2013.
The Ford C-Max is a car produced by the Ford Motor Company from 2003 to 2019. It has a five-door compact multi-purpose vehicle (MPV) design. The Ford Grand C-Max has a longer wheelbase.
A green vehicle, clean vehicle, eco-friendly vehicle or environmentally friendly vehicle is a road motor vehicle that produces less harmful impacts to the environment than comparable conventional internal combustion engine vehicles running on gasoline or diesel, or one that uses certain alternative fuels. Presently, in some countries the term is used for any vehicle complying or surpassing the more stringent European emission standards, or California's zero-emissions vehicle standards, or the low-carbon fuel standards enacted in several countries.
A plug-in hybrid electric vehicle (PHEV) is a type of hybrid electric vehicle equipped with a rechargeable battery pack that can be replenished by connecting a charging cable into an external electric power source, in addition to internally by its on-board internal combustion engine-powered generator. While PHEVs are predominantly passenger cars, there are also plug-in hybrid variants of sports cars, commercial vehicles, vans, utility trucks, buses, trains, motorcycles, mopeds, military vehicles and boats.
The Honda Clarity is a nameplate used by Honda on alternative fuel vehicles. It was initially used only on hydrogen fuel-cell electric vehicles such as the 2008 Honda FCX Clarity, but in 2017 the nameplate was expanded to include the battery-electric Honda Clarity Electric and the plug-in hybrid electric Honda Clarity Plug-in Hybrid, in addition to the next generation Honda Clarity Fuel Cell. Clarity production ended in August 2021 with US leases for the fuel cell variant continuing through to 2022.
Gasoline gallon equivalent (GGE) or gasoline-equivalent gallon (GEG) is the amount of an alternative fuel it takes to equal the energy content of one liquid gallon of gasoline. GGE allows consumers to compare the energy content of competing fuels against a commonly known fuel, namely gasoline.
Blended mode is a charge-depleting mode of operation for plug-in hybrid electric vehicles (PHEVs) in which most of the motive energy is supplied by the battery pack but supplemented by the internal combustion engine (ICE). In contrast, all-electric or battery electric vehicles use only the electricity provided by the battery pack as their sole source of energy in a charge-depleting manner. Both types of advanced technology vehicles use regenerative brakes to recapture kinetic energy that should not be considered a fuel source but rather an efficiency aspect of these types of electric vehicle powertrains not found in traditional internal combustion engine vehicles.
The fuel economy of an automobile relates to the distance traveled by a vehicle and the amount of fuel consumed. Consumption can be expressed in terms of the volume of fuel to travel a distance, or the distance traveled per unit volume of fuel consumed. Since fuel consumption of vehicles is a significant factor in air pollution, and since the importation of motor fuel can be a large part of a nation's foreign trade, many countries impose requirements for fuel economy. Different methods are used to approximate the actual performance of the vehicle. The energy in fuel is required to overcome various losses encountered while propelling the vehicle, and in providing power to vehicle systems such as ignition or air conditioning. Various strategies can be employed to reduce losses at each of the conversions between the chemical energy in the fuel and the kinetic energy of the vehicle. Driver behavior can affect fuel economy; maneuvers such as sudden acceleration and heavy braking waste energy.
The Chevrolet Volt is a plug-in hybrid car manufactured by General Motors, also marketed in rebadged variants as the Holden Volt in Australia and New Zealand and the Buick Velite 5 in China, and with a different fascia as the Vauxhall Ampera in the United Kingdom and as the Opel Ampera in the remainder of Europe. Volt production ended in February 2019.
Miles per gallon gasoline equivalent is a measure of the average distance traveled per unit of energy consumed. MPGe is used by the United States Environmental Protection Agency (EPA) to compare energy consumption of alternative fuel vehicles, plug-in electric vehicles and other advanced technology vehicles with the energy consumption of conventional internal combustion vehicles rated in miles per U.S. gallon.
The adoption of plug-in electric vehicles in the United States is supported by the American federal government, and several states and local governments.
Mobile source air pollution includes any air pollution emitted by motor vehicles, airplanes, locomotives, and other engines and equipment that can be moved from one location to another. Many of these pollutants contribute to environmental degradation and have negative effects on human health. To prevent unnecessary damage to human health and the environment, environmental regulatory agencies such as the U.S. Environmental Protection Agency have established policies to minimize air pollution from mobile sources. Similar agencies exist at the state level. Due to the large number of mobile sources of air pollution, and their ability to move from one location to another, mobile sources are regulated differently from stationary sources, such as power plants. Instead of monitoring individual emitters, such as an individual vehicle, mobile sources are often regulated more broadly through design and fuel standards. Examples of this include corporate average fuel economy standards and laws that ban leaded gasoline in the United States. The increase in the number of motor vehicles driven in the U.S. has made efforts to limit mobile source pollution challenging. As a result, there have been a number of different regulatory instruments implemented to reach the desired emissions goals.
The Hybrid Scorecard was created by the Union of Concerned Scientists (UCS) to give consumers a comprehensive comparison of hybrid electric vehicles available in the U.S. market. The UCS Hybrid Scorecard ratings take into considerations fuel economy as rated by the U.S. Environmental Protection Agency (EPA); the environmental benefits as compared to its similar or closest conventional internal combustion engine counterpart; how cost-effectively a particular hybrid achieves its environmental performance; and premium features that are bundled on a hybrid as standard equipment raising its purchase price.
The long tailpipe is an argument stating that usage of electric vehicles does not always result in fewer emissions compared to those from non-electric vehicles. While the argument acknowledges that plug-in electric vehicles operating in all-electric mode have no greenhouse gas emissions from the onboard source of power, it claims that these emissions are shifted from the vehicle tailpipe to the location of the electrical generation plants. From the point of view of a well-to-wheel assessment, the extent of the actual carbon footprint depends on the fuel and technology used for electricity generation, as well as the impact of additional electricity demand on the phase-out of fossil fuel power plants.
The second generation Chevrolet Volt is a plug-in hybrid electric compact car produced by General Motors under the Chevrolet brand. It debuted at the 2015 North American International Auto Show to replace the original Volt, on sale since 2010. Retail deliveries as a 2016 model year began in October 2015 in the U.S. and Canada, and it was released in Mexico in December 2015. Availability of the 2016 model was limited to California and the other 10 states that follow California's zero emission vehicle regulations. It went on sale as a 2017 model year in the rest of the U.S. in February 2016. Volt production ended on February 15, 2019.
The following table compares official EPA ratings for fuel economy for series production all-electric passenger vehicles rated by the EPA for model years 2015, 2016, 2017, and 2023 versus the model year 2016 vehicles that were rated the most efficient by the EPA with plug-in hybrid drivetrains, gasoline-electric hybrid drivetrains, and the average new vehicle for that model year, which has a fuel economy of 25 mpg‑US.
The following table compares EPA's estimated out-of-pocket fuel costs and fuel economy ratings of serial production plug-in hybrid electric vehicles rated by EPA as of January 2017 expressed in miles per gallon gasoline equivalent (mpg-e), versus the most fuel efficient gasoline-electric hybrid car, the 2016 Toyota Prius Eco, rated 56 mpg‑US, and EPA's average new 2016 vehicle, which has a fuel economy of 25 mpg‑US. The table also shows the fuel efficiency for plug-in hybrids in all-electric mode expressed as KWh/100 mile, the metric used by EPA to rate electric cars before November 2010.
