what determines the fuel consumption of a car?
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1.2 Factors of fuel economy The real 'on-road' fuel consumption of a vehicle is dependent on a number of factors, namely the type of vehicle, the performance of the driver, the design of the road network and the immediate traffic flow.
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Official combined fuel consumption figures range from 9.1–9.5L/100km, depending on the model you choose and whether you go for 2WD or AWD. However, in real-world driving, the reviewers returned figures of above 13L/100km, with fuel efficiency regularly singled out as one of the Kluger's weak spots.
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Fundamentally, the engine ECU controls the injection of the fuel and, in petrol engines, the timing of the spark to ignite it. It determines the position of the engine's internals using a Crankshaft Position Sensor so that the injectors and ignition system are activated at precisely the correct time.
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Air conditioning uses fuel An air-conditioning (a/c) system can increase fuel consumption by up to 20% because of the extra load on the engine. The actual load depends on the vehicle's interior size, the outdoor temperature and other conditions.
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"A car uses less fuel to run an air-conditioning system than it will use due to the aerodynamic drag on a vehicle when its windows are open," says the head thermal systems division at Delphi Corporation, one of the world's largest automotive suppliers.
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Maintaining the correct tyre pressure will help to extend the life of your tyres, improve vehicle safety and maintain fuel efficiency. Car tyre pressure is measured by calculating the amount of air that has been pumped into the inner lining of your tyre in pounds per square inch (PSI) or BAR pressure.
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Mpg stands for miles per gallon, and is used to show how far your car is able to travel for every gallon (or 4.55 litres) of fuel it uses.
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The fuel efficiency of motor vehicles can be expressed in more ways: Fuel consumption is the amount of fuel used per unit distance; for example, litres per 100 kilometres (L/100 km). ... In this case, the higher the value, the more economic a vehicle is (the more distance it can travel with a certain volume of fuel).
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To determine annual greenhouse gas emissions per mile, the following methodology was used: carbon dioxide emissions per gallon of gasoline were divided by the average fuel economy of vehicles to determine carbon dioxide emitted per mile traveled by a typical passenger vehicle.
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Hybrids are the most gasoline efficient of all cars - they typically get 48 to 60 mpg (claimed). Not bad, but only about 20% to 35% better than a fuel efficient gasoline powered vehicle - like the Honda Civic, for example, that gets 36 mpg.
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The fuel efficiency of motor vehicles can be expressed in more ways: Fuel consumption is the amount of fuel used per unit distance; for example, litres per 100 kilometres (L/100 km).
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Better Fuel Efficiency: The 3 cylinder engines, due to the lesser number of cylinders than a 4 cylinder engine consumes a lesser amount of fuel in running the engine. The lesser amount of cylinders makes it fuel-efficient and hence a vital choice for smaller cars which market themselves based upon their mileage.
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The factors that should be considered when choosing a fuel for a specific purpose are its: Energy Value. Ignition Temperature. Volatility.
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With the advent of modern, more fuel efficient cars, this myth is busted! The air conditioner draws its power from the engine which uses some gas, but with today's cars, this use of gas is minute. The AC in your car can decrease the fuel economy of your car up to 20% in some vehicles, but it depends on the type.
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City mpg generally is the lowest mpg rating for a vehicle primarily because of the frequent starting, stopping and idling. Highway mpg typically is the highest because uninterrupted driving tends to burn less fuel.
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Smart Cars' Small Size More Impressive Than Their Fuel Efficiency. ... The U.S. Environmental Protection Agency (EPA) rates the car's fuel efficiency at 32 miles per gallon (mpg) for city driving and 39 mpg on the highway for the 2016 model year.
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Over the full course of a tank of fuel the MPG average displayed should be pretty accurate though. What we have discovered is that on a wide variety of makes and models, the MPG Average is almost always very optimistic, and in some cases arguably misleading.