Driving licence test
Which fuel contributes the least to the greenhouse effect?
“Biofuels [...] have the benefit of not contributing to the greenhouse effect.” (Driving Licence Book, 19th Edition, page 227)
Natural gas is not as good as it sounds. It is, just like petrol and diesel, a fossil fuel.
This is an example of one of the driving theory questions at Körtkortonline.se. There are two languages: English (free demo test), Swedish (free demo test)
There is also a driving licence book online (2026).
More examples of theory questions:
- How long before departure should you preheat the engine if the outside temperature is -20 °C?
- How long before departure should you preheat the engine if the outside temperature is -4 °C?
- How long before departure should you preheat the engine if the outside temperature is +10 °C?
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- Which alternative gives examples of substances that the Euro norm has established limits for?
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- Which statement is true regarding catalytic converters?
- Which statement applies to the stretch 15 metres after this crossing?
- Which engine emits the most harmful nitric oxides?
- How much higher are the emissions of harmful particles from a diesel engine without a particle filter compared to a diesel engine with one?
- What type of diesel is sold in Sweden?
- Is it true that biofuels reduce the total carbon dioxide content in the atmosphere?
- Which alternative describes something that reduces the blood’s ability to take up oxygen and is lethal in large doses?
- Which alternative is something that can have an impact on genetic material, cause cancer and also contribute to the formation of tropospheric ozone?
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- Which alternative is something that is dangerous close to the earth’s surface but good higher in the atmosphere?
Category:
- Driving licence test: Vehicle
- Driving licence test: Environment
- Driving licence test: Traffic safety
- Driving licence test: Traffic regulations
- Driving licence test: Individual circumstances
- Driving licence test: Road signs
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