DE102008022424A1 - Motor vehicle, has combustion engine, control, and detection device e.g. flow meter, for detection of fuel consumption, where fuel costs and/or carbon-dioxide-emission values are represented on indicator - Google Patents

Motor vehicle, has combustion engine, control, and detection device e.g. flow meter, for detection of fuel consumption, where fuel costs and/or carbon-dioxide-emission values are represented on indicator Download PDF

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Publication number
DE102008022424A1
DE102008022424A1 DE102008022424A DE102008022424A DE102008022424A1 DE 102008022424 A1 DE102008022424 A1 DE 102008022424A1 DE 102008022424 A DE102008022424 A DE 102008022424A DE 102008022424 A DE102008022424 A DE 102008022424A DE 102008022424 A1 DE102008022424 A1 DE 102008022424A1
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Prior art keywords
fuel
motor vehicle
combustion engine
fuel consumption
detection
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DE102008022424A
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German (de)
Inventor
Kenth Johansson
Kjell Bergstroem
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GM Global Technology Operations LLC
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GM Global Technology Operations LLC
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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/004—Indicating the operating range of the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0626—Measuring or estimating parameters related to the fuel supply system
    • F02D19/0628—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/082—Premixed fuels, i.e. emulsions or blends
    • F02D19/084—Blends of gasoline and alcohols, e.g. E85
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0625—Fuel consumption, e.g. measured in fuel liters per 100 kms or miles per gallon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

The vehicle has a combustion engine (2), a control (1), and a detection device (3) e.g. flow meter, for detection of a fuel consumption. Fuel costs and/or carbon-dioxide-emission values for a fossil and a non-fossil fuel e.g. bio ethanol, are represented on an indicator (4) e.g. display or screen. The control stands in connection with components of the vehicle via data buses for controlling and/or for changing data. The momentary fuel consumption is output as a numeric value via the indicator, and the fuel costs are wirelessly updated.

Description

Die Erfindung bezieht sich auf ein Kraftfahrzeug mit einem Verbrennungsmotor, einer Steuerung und einer Einrichtung zur Erfassung eines Kraftstoffverbrauchs.The The invention relates to a motor vehicle with an internal combustion engine, a controller and means for detecting fuel consumption.

Moderne Kraftfahrzeuge mit einem Verbrennungsmotor oder einer Verbrennungskraftmaschine verfügen über eine elektronische Steuerung für alle wesentlichen Funktionen des Kraftfahrzeugs. Insbesondere kann die Steuerung in Form eines Motormanagementsystems ausgelegt sein, mit dem der Verbrennungsmotor möglichst kraftstoffsparend zu betreiben ist. Dabei verfügt die Steuerung über eine Einrichtung zur Erfassung eines Kraftstoffverbrauchs des Verbrennungsmotors, beispielsweise in Form eines Durchflussmessers in einer Kraftstoffleitung. Weiterhin kann häufig ein Fahrer des Kraftfahrzeugs, z. B. auf einem Display oder einem Monitor eines Multifunktionsinstruments, verschiedene externe und interne Daten und Messgrößen abrufen kann. So kann eine Außentemperatur, ein in einer Audioanlage ausgewählter Radiosender, eine Uhrzeit, ein Öldruck, eine Motortemperatur und ein momentaner Kraftstoffverbrauch angezeigt werden. Die Auswahl der anzuzeigenden Messgröße wird üblicherweise vom Fahrer vorgenommen.modern Motor vehicles with an internal combustion engine or an internal combustion engine have a electronic control for all essential functions of the motor vehicle. In particular, can the controller is designed in the form of an engine management system, with the internal combustion engine as possible is fuel efficient to operate. The controller has a device for detecting a fuel consumption of the internal combustion engine, for example in the form of a flow meter in a fuel line. Farther can often a driver of the motor vehicle, z. B. on a display or a Monitor of a multifunctional instrument, various external and internal Retrieve data and metrics can. So an outside temperature, one selected in an audio system Radio station, a time, an oil pressure, an engine temperature and a current fuel consumption displayed become. The selection of the measured variable to be displayed is usually carried out by the driver.

Weiterhin finden zunehmend Kraftstoffe Verbreitung, denen Ethanol zugegeben ist, wobei das Ethanol ins besondere aus nachwachsender Biomasse gewonnen wird. Dabei bedeutet die Kraftstoffbezeichnung E85, dass ein Liter Kraftstoff 85% Ethanol, vorzugsweise Bioethanol, enthält und 15% fossiler Kraftstoff (Benzin) zugegeben sind. Mit solchen Kraftstoffen ist zwar ein geringfügig erhöhter Kraftstoffbedarf verbunden, jedoch sind diese üblicherweise günstiger beim Erwerb und insgesamt sind auch die CO2-Emissionen reduziert. Die Verminderung der CO2-Emissionen insgesamt beträgt etwa 10%, die Reduzierung der durch den fossilen Kraftstoff bedingten CO2-Emission etwa 80%.Furthermore, fuels are increasingly being spread to which ethanol has been added, the ethanol being obtained in particular from renewable biomass. The fuel name E85 means that one liter of fuel contains 85% ethanol, preferably bioethanol, and 15% fossil fuel (gasoline) is added. Although such fuels have a slightly higher fuel requirement, they are usually cheaper to buy and overall CO 2 emissions are also reduced. The overall reduction in CO 2 emissions is about 10%, while the reduction in fossil fuel CO 2 emissions is about 80%.

Mit Hilfe der Anzeige des momentanen Kraftstoffverbrauchs kann ein Fahrer seine Fahrweise dahingehend optimieren, dass der Kraftstoffverbrauch möglichst gering ist. Dabei bleiben allerdings die Einflüsse eines tatsächlich getankten Kraftstoffs unberücksichtigt. Zudem erhält der Fahrer auch keine Informationen darüber, ob er sein Kraftfahrzeug momentan wirtschaftlich betreibt oder nicht.With Help of the display of the current fuel consumption can be a driver to optimize his driving style so that the fuel consumption as possible is low. However, the influence of an actually fueled remains Fuel is disregarded. In addition receives The driver also has no information about whether he is his motor vehicle currently operates economically or not.

Es ist Aufgabe der Erfindung, ein Kraftfahrzeug der eingangs genannten Art zu schaffen, dessen Emissionswerte optimierbar sind und das wirtschaftlich betrieben werden kann.It is the object of the invention, a motor vehicle of the aforementioned To create species whose emission levels can be optimized and that can be operated economically.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass Kraftstoffkosten und/oder ein CO2-Emissionswert auf einer Anzeige darstellbar sind.According to the invention, this object is achieved in that fuel costs and / or a CO 2 emission value can be displayed on a display.

Bei einem derart ausgebildeten Kraftfahrzeug kann nicht nur ein absoluter Kraftstoffverbrauch, beispielsweise in Litern pro 100 Kilometer, dargestellt werden, sondern zusätzlich auch noch die dabei tatsächlich anfallenden Kraftstoffkosten, beispielsweise in Euro pro Kilometer, und/oder die tatsächlich ausgestoßenen CO2- Mengen, vorzugsweise in Gramm pro gefahrenem Kilometer, die durch das Verbrennen des Kraftstoffs im Verbrennungsmotor erzeugt worden sind, wobei die ausgestoßenen CO2-Mengen aus den Anteilen des fossilen und des nicht-fossilen Kraftstoffs, nämlich Bioethanol, zusammengesetzt sind oder deren Anteile separat angezeigt werden zusammengesetzt.In such a trained motor vehicle, not only an absolute fuel consumption, for example, in liters per 100 kilometers, can be displayed, but also additionally the actually incurred fuel costs, for example in euros per kilometer, and / or the actually expelled CO 2 - amounts, preferably in grams per kilometer driven, produced by burning the fuel in the internal combustion engine, the emitted CO 2 amounts being composed of the proportions of fossil and non-fossil fuel, namely bioethanol, or their proportions being displayed separately.

Eine solche Darstellung erfolgt vorzugsweise auf einem bereits vorhandenen Display oder Bildschirm im Armaturenbrett oder auf einer Anzeige eines Multifunktionsinstruments in gleicher Weise als Ziffernangabe wie bereits bei der Darstellung des absoluten Kraftstoffverbrauchs. Prinzipiell ist auch eine akustische Wiedergabe der jeweiligen Werte möglich, z. B. nachfolgend zu einer Anforderung durch einen Fahrer durch Betätigen eines entsprechenden Bedienelements.A Such representation preferably takes place on an already existing one Display or screen in the dashboard or on a display of a multifunctional instrument in the same way as numerical indication as in the presentation of the absolute fuel consumption. In principle, an acoustic reproduction of the respective values is also possible possible, z. B. subsequently to a request by a driver Actuate a corresponding control element.

Der Vorteil der Erfindung besteht darin, dass sämtliche notwendigen Komponenten oder Systeme bereits im Kraftfahrzeug vorhanden sind und lediglich die Steuerung geringfügig hard- und/oder softwaremäßig angepasst werden muss, um die genannten Werte zu erfassen und darzustellen. Die Darstellung der tatsächlichen Kosten durch den Kraftstoffverbrauch erfolgt in einfacher Weise durch Multiplikation des tatsächlichen Kraftstoffverbrauchs, der sowieso bereits erfasst und gegebenenfalls dargestellt wird, mit dem Anschaffungspreis des Kraftstoffs z. B. beim letzten Tankvorgang. Der entsprechende Kaufpreis in Euro pro Liter kann vom Fahrer manuell über ein entsprechendes Bedienfeld eingegeben werden. In gleicher Weise kann die Erfassung des CO2-Ausstoßes durch eine Berechnung anhand des Kraftstoffverbrauchs erfolgen, die von dem Motormanagementsystem des Kraftfahrzeugs ausgeführt wird. Der entsprechende CO2-Wert, der sich aus der verbrannten Kraft stoffmenge ergibt, muss dann lediglich noch optisch und/oder akustisch dargestellt werden.The advantage of the invention is that all necessary components or systems are already present in the motor vehicle and only the control must be slightly hardware and / or software adapted to capture and display the above values. The representation of the actual costs by the fuel consumption is carried out in a simple manner by multiplying the actual fuel consumption, which is already recorded anyway and possibly presented, with the purchase price of the fuel z. B. at the last refueling. The corresponding purchase price in Euro per liter can be entered manually by the driver via a corresponding control panel. Similarly, the detection of CO 2 emissions may be made by calculation based on fuel consumption performed by the engine management system of the motor vehicle. The corresponding CO 2 value, which results from the amount of fuel burned, must then only be displayed visually and / or acoustically.

Bei der Darstellung der Werte wird vorzugsweise die jeweils getankte Kraftstoffart bzw. das tatsächlich in einem Tank vorhandenen Kraftstoffgemisch berücksichtigt. Beispielsweise hat ein Nutzer zuerst reines Superbenzin getankt und bei halbvollem Tank diesen wiederum mit E85-Kraftstoff aufgefüllt, der einen anderen Anschaffungspreis hat, ist eine Mischung beider Kraftstoffarten im Tank vorhanden. Die tatsächliche Kraftstoffmischung wird von einem Motormanagementsystem erfasst und bei der Zuführung zum Verbrennungsmotor berücksichtigt. In Abhängigkeit der dann tatsächlich verbrauchten Kraftstoffmenge ergeben sich dann jeweils unterschiedliche Werte für die tatsächlichen Verbrauchskosten sowie für die tatsächlichen CO2-Emissionen in Abhängigkeit des Mischungsverhältnisses.In the representation of the values, the respectively fueled fuel type or the fuel mixture actually present in a tank is preferably taken into account. For example, a user has first fueled pure premium gasoline and in half full tank this in turn filled with E85 fuel, which has a different purchase price, a mixture of both types of fuel in the tank is present. The actual fuel mixture is detected by an engine management system and at the Considered supply to the internal combustion engine. Depending on the amount of fuel actually consumed, different values for the actual consumption costs and for the actual CO 2 emissions depending on the mixing ratio then result.

In einer ersten Ausführungsform kann der momentane Wert der Kraftstoffkosten und/oder der CO2-Emission dargestellt werden, die sich beispielsweise während eines starken Beschleunigungsvorgangs drastisch aber nur kurzfristig erhöhen. Selbstverständlich lassen sich wiederum die CO2-Emissionen in derart aufteilen und separat anzeigen, dass fossile und nicht-fossile Anteile des Kraftstoffs Berücksichtigung finden.In a first embodiment, the instantaneous value of the fuel cost and / or the CO 2 emission can be represented, which increase drastically, but only for a short time, during a strong acceleration process, for example. Of course, the CO 2 emissions can be divided in such a way and show separately that fossil and non-fossil shares of the fuel are taken into account.

In einer weiteren Ausführungsform können die gesamten Kraftstoffkosten der aktuell zurückgelegten Wegstrecke dargestellt werden, wobei hierzu die Kosten seit Fahrtantritt aufsummiert werden. In gleicher Weise können die gesamten CO2-Emissionen dargestellt werden. Prinzipiell können derartige Werte auch für die gesamte Laufleistung des Kraftfahrzeugs gespeichert und darge stellt werden sowie die entsprechenden Werte seit dem letzten Tankvorgang.In a further embodiment, the total fuel cost of the currently traveled distance can be displayed, for which purpose the costs are added up since departure. In the same way, the total CO 2 emissions can be displayed. In principle, such values can also be stored and displayed for the entire mileage of the motor vehicle and the corresponding values since the last refueling process.

Zur Vermeidung von Fehleingaben durch den Fahrer bei der Eingabe eines Kraftstoffpreises kann dieser auch drahtlos aktualisiert werden. Hierzu kann eine Kommunikation, z. B. nach dem so genannten Bluetooth-Standard, zwischen der Steuerung des Kraftfahrzeugs sowie einer entsprechend ausgestatteten Zapfsäule während des Tankvorgangs stattfinden, so dass automatisch die tatsächlich richtigen Kraftstoffkosten darstellbar sind.to Prevention of incorrect entries by the driver when entering a Fuel price, this can also be updated wirelessly. For this purpose, a communication, for. B. according to the so-called Bluetooth standard between the control of the motor vehicle and a correspondingly equipped gas pump while the refueling process so that automatically the actual correct Fuel costs can be displayed.

Es versteht sich, dass die vorstehend genannten und nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen verwendbar sind. Der Rahmen der Erfindung ist nur durch die Ansprüche definiert.It It is understood that the above and below to be explained features not only in the specified combination, but also in other combinations are usable. The scope of the invention is only through the claims Are defined.

Die Erfindung wird im Folgenden anhand eines Ausführungsbeispiels mit Bezugnahme auf die Zeichnung näher erläutert. Die einzige Figur der Zeichnung zeigt ein Blockschaltbild einer Steuerung eines erfindungsgemäßen Kraftfahrzeugs.The The invention will be described below with reference to an embodiment with reference closer to the drawing explained. The sole figure of the drawing shows a block diagram of a Control of a motor vehicle according to the invention.

Die Steuerung 1 des Kraftfahrzeugs steht mit allen wesentlichen Komponenten des Kraftfahrzeugs über Datenbusse zum Steuern bzw. zum Austausch von Daten in Verbindung, wie mit den Verbindungslinien 5 angedeutet. Mit der Steuerung 1 wird ein Verbrennungsmotor 2 des Kraftfahrzeugs möglichst kraftstoffgünstig betrieben. Dem Verbrennungsmotor 2 ist hierfür eine Einrichtung 3 zur Erfassung eines Kraftstoffverbrauchs zugeordnet, beispielsweise ein Durchflussmesser in einer Kraftstoffleitung oder es erfolgt eine Berechnung des Kraftstoffverbrauchs anhand der Öffnungszeiten von Einspritzventilen. Über eine Anzeige 4, wie einem Display oder Bild schirm, kann ein momentaner Kraftstoffverbrauch als numerischer Wert ausgegeben werden.The control 1 of the motor vehicle communicates with all the essential components of the motor vehicle via data buses for controlling or exchanging data, as with the connecting lines 5 indicated. With the controller 1 becomes an internal combustion engine 2 the motor vehicle operated as fuel efficient. The internal combustion engine 2 is a facility for this 3 assigned for detecting a fuel consumption, such as a flow meter in a fuel line or there is a calculation of fuel consumption based on the opening times of injectors. About an ad 4 , such as a display or screen, a current fuel consumption can be output as a numerical value.

Weiterhin ist die Steuerung 1 derart ausgelegt, dass der Kraftstoffverbrauch mit einem Anschaffungspreis des Kraftstoffs multiplizierbar ist, wodurch die Kraftstoffkosten entweder als sich jeweils ändernder Wert oder über eine Fahrtstrecke aufsummiert über die Anzeigevorrichtung 4 darstellbar sind. In gleicher Weise kann zusätzlich oder alternativ ein CO2-Emissionswert dargestellt werden. Hierzu werden vorzugsweise unter Berücksichtigung eines im Kraftstofftank des Kraftfahrzeugs vorhandenen Kraftstoffgemisches, dessen Art von der Steuerung 1 erfassbar ist, anhand des gemessenen Kraftstoffverbrauchs die tatsächlich entstehenden Abgaswerte ermittelt.Furthermore, the controller 1 such that the fuel consumption is multipliable with a purchase price of the fuel, whereby the fuel costs are summed over the display device either as a respective changing value or over a travel distance 4 are representable. In the same way, additionally or alternatively, a CO 2 emission value can be displayed. For this purpose, preferably taking into account a present in the fuel tank of the motor vehicle fuel mixture, the nature of the controller 1 can be detected, based on the measured fuel consumption, the actual exhaust gas values determined.

Verwendet ein Fahrer beispielsweise den Kraftstoff E85 anstatt eines herkömmlichen Superbenzins, so erhöht sich zwar der absolute Kraftstoffverbrauch geringfügig, jedoch liegen aufgrund der geringeren Anschaffungskosten des Kraftstoffs E85 die absoluten Kosten aber niedriger als bei herkömmlichen Superbenzin. Auch fallen bei der Verwendung des Kraftstoffs E85 erheblich weniger CO2-Emissionen an, da trotz geringfügig erhöhten Kraftstoffverbrauchs trotzdem weniger CO2 oder Kohlendioxid ausgestoßen wird.For example, if a driver uses fuel E85 instead of a conventional premium gasoline, then the absolute fuel consumption increases slightly, but due to the lower cost of fuel E85, the absolute cost but lower than conventional premium gasoline. Also, when using the fuel E85 fall considerably less CO 2 emissions, since despite slightly increased fuel consumption still less CO 2 or carbon dioxide is emitted.

11
Steuerungcontrol
22
Verbrennungsmotorinternal combustion engine
33
Einrichtung zur Erfassung eines KraftstoffverbrauchsFacility for recording fuel consumption
44
Anzeigeeinrichtungdisplay
55
Verbindungslinienconnecting lines

Claims (6)

Kraftfahrzeug mit einem Verbrennungsmotor (2), einer Steuerung (1) und einer Einrichtung (3) zur Erfassung eines Kraftstoffverbrauchs, dadurch gekennzeichnet, dass Kraftstoffkosten und/oder ein CO2-Emissionswert auf einer Anzeige (4) darstellbar sind.Motor vehicle with an internal combustion engine ( 2 ), a controller ( 1 ) and a facility ( 3 ) for detecting a fuel consumption, characterized in that fuel costs and / or a CO 2 emission value on a display ( 4 ) are representable. Kraftfahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass eine Kraftstoffart bei der Darstellung berücksichtigbar ist.Motor vehicle according to claim 1, characterized in that a type of fuel can be taken into account in the illustration. Kraftfahrzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein momentaner Wert der Kraftstoffkosten und/oder der CO2-Emission darstellbar ist.Motor vehicle according to claim 1 or 2, characterized in that an instantaneous value of the fuel costs and / or the CO 2 emission can be displayed. Kraftfahrzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein Gesamtwert der Kraftstoffkosten und/oder der CO2-Emission für die zurückgelegte Wegstrecke seit Fahrtantritt darstellbar ist.Motor vehicle according to claim 1 or 2, characterized in that a total value of the fuel costs and / or the CO 2 emission for the distance traveled since driving is displayed. Kraftfahrzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der ein CO2-Emissionswert für einen fossilen und einen nicht fossilen Kraftstoff (z. B. Bioethanol) darstellbar sind.Motor vehicle according to one of Claims 1 to 4, characterized in that the CO 2 emission value for a fossil fuel and a non-fossil fuel (for example bioethanol) can be represented. Kraftfahrzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass ein Kraftstoffpreis drahtlos aktualisierbar ist.Motor vehicle according to one of claims 1 to 5, characterized in that a fuel price can be updated wirelessly is.
DE102008022424A 2008-05-07 2008-05-07 Motor vehicle, has combustion engine, control, and detection device e.g. flow meter, for detection of fuel consumption, where fuel costs and/or carbon-dioxide-emission values are represented on indicator Withdrawn DE102008022424A1 (en)

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