"Regular gasoline" refers to a type of fuel that is commonly used to power vehicles. It is a standard grade of gasoline that most cars can use without any special requirements or modifications. Full definition
The 2.0 L and 2.4 L motors can run on regular gasoline. (samarins.com)
According to the organization, the national price of regular gasoline is hovering above $ 2 per gallon, down more than 30 cents from the comparable period last year. (cnbc.com)
Direct injection refers to the fuel being sprayed directly into the cylinder similar to the diesel instead of the fuel being sprayed in on top of the intake valve like most regular gasoline engines. (mechanics.stackexchange.com)