Driving theory questions

Which option is true?

  • Incorrect: 🔒
  • Incorrect: 🔒
  • Correct: 🔒
  • Incorrect: 🔒

Review of the options:

  • All internal combustion engines contribute equally to the greenhouse effect.
    – Wrong, a large fuel-guzzling engine is worse than a small one.
  • Ethanol is a greenhouse gas.
    – Wrong, ethanol is a type of fuel, not a gas.
  • The permitted time of engine idling is often limited.
    – Correct, examples of regulations regarding idling: Skellefteå
  • The unladen weight of a car has no impact on its fuel consumption.
    – Wrong, a heavy car requires more power. More power = more fuel.

The options are not displayed because this is one of the 1000 paid questions.
Buy all 1000 questions now


Körkortonline.se offers driving licence theory tests. This is an example of an explanation of a test question. English theory test (free demo), Swedish theory test (free demo).

More examples of explanations:

Category:

Free demo – try the questions


Full access, 1000 questions

Driving licence questions – practice theory tests online

You also unlock guides built on our unique data – several million practice tests over some 20 years:

  • Theory insights: Where do students most often lose points?
  • Test insights: See the most tested traffic rule and the specific words to watch for when taking tests.

Get started – choose your access period:

One-time payment – does not renew automatically

Swish, Visa, Mastercard