Driver Knowledge Tests

Why does burning 1 litre of fuel create over 2kg of carbon dioxide?

One litre of petrol weighs around 740g but produces around 2.31kg of carbon dioxide when burned. A litre of diesel, which weighs around 840g, produces even more – 2.68kg of carbon dioxide. This CO2 is created in the combustion process

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Eco-driving tips which will cut your fuel costs

If you can’t afford an electric car you’ll be acutely aware that the average price of petrol in Australia has recently hit 136.9 cents per litre. As a result, learner drivers, who legally have to spend a minimum of 120 hours

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What are the benefits of air suspension on trucks

Air suspension has some significant advantages over traditional coil or leaf spring suspension on trucks and trailers. It is a system of rubber and polyurethane bags, inflated by a compressor, which substitute for coil or leaf spring suspension. Benefits Driver

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The definitive list of truck fuel economy tricks

If you want to get an advantage over your competitors, fuel economy is one way to do it. Even simple changes can make big differences. Improve aerodynamics and rolling resistance Aerodynamics: making the truck more slippery Trucks have a huge

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Is it worth paying more for higher octane premium fuel?

Some manufacturers specify that you should run your car on 95 or 98 octane minimum rather than on regular ULP (unleaded petrol). Some of these high-performance fuels make claims that they will clean your engine, help protect it and even

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Calculating fuel economy and usage

Fuel economy describes how much fuel your vehicle uses in relation to the distance travelled. It is given by manufacturers in a standard form for urban, extra urban and combined cycle driving which is determined by a standardised test, described

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Petrol vs diesel

If you are choosing a new car, should you go petrol or diesel? Diesel cars usually carry a price premium over petrol cars, but does the extra initial purchase price and servicing cost make it worthwhile? Let’s assume you do enough

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