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)