[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR600.002-08] [Page 853-857] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 600_FUEL ECONOMY OF MOTOR VEHICLES--Table of Contents Subpart A_Fuel Economy Regulations for 1977 and Later Model Year Automobiles_General Provisions Sec. 600.002-08 Definitions. 3-bag FTP means the Federal Test Procedure specified in part 86 of this chapter, with three sampling portions consisting of the cold-start transient (``Bag 1''), stabilized (``Bag 2''), and hot-start transient phases (``Bag 3''). 4-bag FTP means the 3-bag FTP, with the addition of a sampling portion for the hot-start stabilized phase (``Bag 4''). 5-cycle means the FTP, HFET, US06, SC03 and cold temperature FTP tests as described in Subparts B and C of this part. Administrator means the Administrator of the Environmental Protection Agency or his authorized representative. Alcohol means a mixture containing 85 percent or more by volume methanol, ethanol, or other alcohols, in any combination. Alcohol-fueled automobile means an automobile designed to operate exclusively on alcohol. Alcohol dual fuel automobile means an automobile: (1) Which is designed to operate on alcohol and on gasoline or diesel fuel; and (2) Which provides equal or greater energy efficiency as calculated in accordance with Sec. 600.510(g)(1) while operating on alcohol as it does while operating on gasoline or diesel fuel; and (3) Which, in the case of passenger automobiles, meets or exceeds the minimum driving range established by the Department of Transportation in 49 CFR part 538. Automobile has the meaning given by the Department of Transportation at 49 CFR 523.3. [[Page 854]] Auxiliary emission control device (AECD) means an element of design as defined in part 86 of this chapter. Average fuel economy means the unique fuel economy value as computed under Sec. 600.510 for a specific class of automobiles produced by a manufacturer that is subject to average fuel economy standards. Axle ratio means the number of times the input shaft to the differential (or equivalent) turns for each turn of the drive wheels. Base level means a unique combination of basic engine, inertia weight class and transmission class. Base vehicle means the lowest priced version of each body style that makes up a car line. Basic engine means a unique combination of manufacturer, engine displacement, number of cylinders, fuel system (e.g., type of fuel injection), catalyst usage, and other engine and emission control system characteristics specified by the Administrator. For electric vehicles, basic engine means a unique combination of manufacturer and electric traction motor, motor controller, battery configuration, electrical charging system, energy storage device, and other components as specified by the Administrator. Battery configuration means the electrochemical type, voltage, capacity (in Watt-hours at the c/3 rate), and physical characteristics of the battery used as the tractive energy device. Body style means a level of commonality in vehicle construction as defined by number of doors and roof treatment (e.g., sedan, convertible, fastback, hatchback) and number of seats (i.e., front, second, or third seat) requiring seat belts pursuant to National Highway Traffic Safety Administration safety regulations in 49 CFR part 571. Station wagons and light trucks are identified as car lines. Calibration means the set of specifications, including tolerances, unique to a particular design, version of application of a component, or component assembly capable of functionally describing its operation over its working range. Car line means a name denoting a group of vehicles within a make or car division which has a degree of commonality in construction (e.g., body, chassis). Car line does not consider any level of decor or opulence and is not generally distinguished by characteristics as roof line, number of doors, seats, or windows, except for station wagons or light-duty trucks. Station wagons and light-duty trucks are considered to be different car lines than passenger cars. Certification vehicle means a vehicle which is selected under Sec. 86.1828-01 of this chapter and used to determine compliance under Sec. 86.1848-01 of this chapter for issuance of an original certificate of conformity. City fuel economy means the city fuel economy determined by operating a vehicle (or vehicles) over the driving schedule in the Federal emission test procedure, or determined according to the vehicle- specific 5-cycle or derived 5-cycle procedures. Cold temperature FTP means the test performed under the provisions of Subpart C of part 86 of this chapter. Combined fuel economy means: (1) The fuel economy value determined for a vehicle (or vehicles) by harmonically averaging the city and highway fuel economy values, weighted 0.55 and 0.45 respectively. (2) For electric vehicles, the term means the equivalent petroleum- based fuel economy value as determined by the calculation procedure promulgated by the Secretary of Energy. Dealer means a person who resides or is located in the United States, any territory of the United States, or the District of Columbia and who is engaged in the sale or distribution of new automobiles to the ultimate purchaser. Derived 5-cycle fuel economy means the 5-cycle fuel economy derived from the FTP-based city and HFET-based highway fuel economy by means of the equation provided in Sec. 600.210-08. Drive system is determined by the number and location of drive axles (e.g., front wheel drive, rear wheel drive, four wheel drive) and any other feature of the drive system if the Administrator determines that such other features may result in a fuel economy difference. Electrical charging system means a device to convert 60 Hz alternating electric current, as commonly available in [[Page 855]] residential electric service in the United States, to a proper form for recharging the energy storage device. Electric traction motor means an electrically powered motor which provides tractive energy to the wheels of a vehicle. Energy storage device means a rechargeable means of storing tractive energy on board a vehicle such as storage batteries or a flywheel. Engine code means a unique combination, within an engine-system combination (as defined in part 86 of this chapter), of displacement, fuel injection (or carburetion or other fuel delivery system), calibration, distributor calibration, choke calibration, auxiliary emission control devices, and other engine and emission control system components specified by the Administrator. For electric vehicles, engine code means a unique combination of manufacturer, electric traction motor, motor configuration, motor controller, and energy storage device. Federal emission test procedure (FTP) refers to the dynamometer driving schedule, dynamometer procedure, and sampling and analytical procedures described in part 86 of this chapter for the respective model year, which are used to derive city fuel economy data. FTP-based city fuel economy means the fuel economy determined in Sec. 600.113-08 of this part, on the basis of FTP testing. Fuel means: (1) Gasoline and diesel fuel for gasoline- or diesel-powered automobiles; or (2) Electrical energy for electrically powered automobiles; or (3) Alcohol for alcohol-powered automobiles; or (4) Natural gas for natural gas-powered automobiles. Fuel economy means: (1) The average number of miles traveled by an automobile or group of automobiles per volume of fuel consumed as calculated in this part; or (2) The equivalent petroleum-based fuel economy for an electrically powered automobile as determined by the Secretary of Energy. Fuel economy data vehicle means a vehicle used for the purpose of determining fuel economy which is not a certification vehicle. Gross vehicle weight rating means the manufacturer's gross weight rating for the individual vehicle. Hatchback means a passenger automobile where the conventional luggage compartment, i.e., trunk, is replaced by a cargo area which is open to the passenger compartment and accessed vertically by a rear door which encompasses the rear window. Highway fuel economy means the highway fuel economy determined either by operating a vehicle (or vehicles) over the driving schedule in the Federal highway fuel economy test procedure, or determined according to either the vehicle-specific 5-cycle equation or the derived 5-cycle equation for highway fuel economy. Highway fuel economy test procedure (HFET) refers to the dynamometer driving schedule, dynamometer procedure, and sampling and analytical procedures described in subpart B of this part and which are used to derive highway fuel economy data. HFET-based fuel economy means the highway fuel economy determined in Sec. 600.113-08 of this part, on the basis of HFET testing. Inertia weight class means the class, which is a group of test weights, into which a vehicle is grouped based on its loaded vehicle weight in accordance with the provisions of part 86 of this chapter. Label means a sticker that contains fuel economy information and is affixed to new automobiles in accordance with subpart D of this part. Light truck means an automobile that is not a passenger automobile, as defined by the Secretary of Transportation at 49 CFR 523.5. This term is interchangeable with ``non-passenger automobile''. Medium-duty passenger vehicle means a vehicle which would satisfy the criteria for light trucks as defined by the Secretary of Transportation at 49 CFR 523.5 but for its gross vehicle weight rating or its curb weight, which is rated at more than 8,500 lbs GVWR or has a vehicle curb weight of more than 6,000 pounds or has a basic vehicle frontal area in excess of 45 square feet, and [[Page 856]] which is designed primarily to transport passengers, but does not include a vehicle that: (1) Is an ``incomplete truck'' as defined in this subpart; or (2) Has a seating capacity of more than 12 persons; or (3) Is designed for more than 9 persons in seating rearward of the driver's seat; or (4) Is equipped with an open cargo area (for example, a pick-up truck box or bed) of 72.0 inches in interior length or more. A covered box not readily accessible from the passenger compartment will be considered an open cargo area for purposes of this definition. Minivan means a light truck which is designed primarily to carry no more than eight passengers having an integral enclosure fully enclosing the driver, passenger, and load-carrying compartments, with a total interior volume at or below 180 cubic feet, and rear seats readily removed or folded to floor level to facilitate cargo carrying. A minivan typically includes one or more sliding doors and a rear liftgate. Model year means the manufacturer's annual production period (as determined by the Administrator) which includes January 1 of such calendar year. If a manufacturer has no annual production period, the term ``model year'' means the calendar year. Model type means a unique combination of car line, basic engine, and transmission class. Motor controller means an electronic or electro-mechanical device to convert energy stored in an energy storage device into a form suitable to power the traction motor. Natural gas-fueled automobile means an automobile designed to operate exclusively on natural gas. Natural gas dual fuel automobile means an automobile: (1) Which is designed to operate on natural gas and on gasoline or diesel fuel; (2) Which provides equal or greater energy efficiency as calculated in Sec. 600.510(g)(1) while operating on natural gas as it does while operating on gasoline or diesel fuel; and (3) Which, in the case of passenger automobiles, meets or exceeds the minimum driving range established by the Department of Transportation in 49 CFR part 538. Nonpassenger automobile means a light truck. Passenger automobile means any automobile which the Secretary of Transportation determines is manufactured primarily for use in the transportation of no more than 10 individuals. Pickup truck means a nonpassenger automobile which has a passenger compartment and an open cargo bed. Production volume means, for a domestic manufacturer, the number of vehicle units domestically produced in a particular model year but not exported, and for a foreign manufacturer, means the number of vehicle units of a particular model imported into the United States. Rounded means a number shortened to the specific number of decimal places in accordance with the rounding method specified in ASTM E 29-67 (Reapproved 1973) ``Standard Recommended Practice for Indicating which Places of Figures are to be Considered Significant in Specified Limiting Values.'' This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from the American Society for Testing and Materials, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. Copies may be inspected at U.S. EPA Headquarters Library, EPA West Building, Constitution Avenue and 14th Street, NW., Room 3340, Washington, DC, or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal--register/ code--of--federal--regulations/ibr--locations.html. SC03 means the test procedure specified in Sec. 86.160-00 of this chapter. Secretary of Transportation means the Secretary of Transportation or his authorized representative. Secretary of Energy means the Secretary of Energy or his authorized representative. Sport utility vehicle (SUV) means a light truck with an extended roof line [[Page 857]] to increase cargo or passenger capacity, cargo compartment open to the passenger compartment, and one or more rear seats readily removed or folded to facilitate cargo carrying. Station wagon means a passenger automobile with an extended roof line to increase cargo or passenger capacity, cargo compartment open to the passenger compartment, a tailgate, and one or more rear seats readily removed or folded to facilitate cargo carrying. Subconfiguration means a unique combination within a vehicle configuration of equivalent test weight, road-load horsepower, and any other operational characteristics or parameters which the Administrator determines may significantly affect fuel economy within a vehicle configuration. Transmission class means a group of transmissions having the following common features: Basic transmission type (manual, automatic, or semi-automatic); number of forward gears used in fuel economy testing (e.g., manual four-speed, three-speed automatic, two-speed semi- automatic); drive system (e.g., front wheel drive, rear wheel drive; four wheel drive), type of overdrive, if applicable (e.g., final gear ratio less than 1.00, separate overdrive unit); torque converter type, if applicable (e.g., non-lockup, lockup, variable ratio); and other transmission characteristics that may be determined to be significant by the Administrator. Transmission configuration means the Administrator may further subdivide within a transmission class if the Administrator determines that sufficient fuel economy differences exist. Features such as gear ratios, torque converter multiplication ratio, stall speed, shift calibration, or shift speed may be used to further distinguish characteristics within a transmission class. Test weight means the weight within an inertia weight class which is used in the dynamometer testing of a vehicle, and which is based on its loaded vehicle weight in accordance with the provisions of part 86 of this chapter. Ultimate consumer means the first person who purchases an automobile for purposes other than resale or leases an automobile. US06 means the test procedure as described in Sec. 86.159-08 of this chapter. US06-City means the combined periods of the US06 test that occur before and after the US06-Highway period. US06-Highway means the period of the US06 test that begins at the end of the deceleration which is scheduled to occur at 130 seconds of the driving schedule and terminates at the end of the deceleration which is scheduled to occur at 495 seconds of the driving schedule. Van means any light truck having an integral enclosure fully enclosing the driver compartment and load carrying device, and having no body sections protruding more than 30 inches ahead of the leading edge of the windshield. Vehicle configuration means a unique combination of basic engine, engine code, inertia weight class, transmission configuration, and axle ratio within a base level. Vehicle-specific 5-cycle fuel economy means the fuel economy calculated according to the procedures in Sec. 600.114-08. [71 FR 77927, Dec. 27, 2006]