Another crucial aspect, contrary to what most drivers believe, is that adding premium gasoline ... one—we don't want to make a mistake when choosing! Fuels are substances that have stored ...

Having a car in optimal conditions can be quite a challenge, even more so when you have a limited ... adding premium gasoline ...

An curved arrow pointing right. American consumers spend money on premium gas for engines that don't require it. Only 16% of cars on the road need premium fuel. Follow BI Video: On Twitter More ...

With fuel prices climbing and many consumers ... truck - many are switching from midgrade or premium to regular grades of gasoline. Premium sales have fallen over 5%, according to retailers.