If we say that fuel consumption <span title="(1/100km).................42">(1/100km)...................</span> for a truck. what mean by this?

Question

to calculate fuel consumption of a truck

Answer 1

sounds like a semi truck, that would make sense for the poor mileage

Answer 2

In metric countries you measure gas mileage in liters of fuel consumed per 100 kilometers driven. in your example of 42 liters that is very poor. Hybirds and small cars use 4-6 liters, mid size cars 6-9, vans 8-12, SUVs 11-16, full size trucks 14-20, a few such as H2 will use just over 20 liters/100 km.