The phrase "fuel consumption rating" refers to the measurement of how much fuel a vehicle uses to travel a certain distance. It indicates how efficient or inefficient a vehicle is in terms of fuel usage. Full definition
These will show at a glance the city and highway fuel consumption ratings and an estimated annual fuel cost for that particular vehicle. (ecolife.com)
These most fuel - efficient vehicles are those with the lowest combined fuel consumption rating; a rating based on 55 per cent city driving and 45 per cent highway driving. (autofocus.ca)
Replace the parts that you find not working and you will lower fuel consumption rate. (yourmechanic.com)