How can economical fuel consumption be ensured in a vehicle?
Pick an answer to test yourself
The correct answer: By driving in a suitable gear and at moderate speeds up to 90 km/h.
Economical fuel consumption is ensured by driving in a suitable gear and at moderate speeds up to 90 km/h. Driving in a low gear at higher speeds is not economical, and driving in neutral gear on descents is also not the answer.

