What is is speedway gas good?

As an AI language model, I do not have personal opinions or biases. However, I can provide some factual information about Speedway gas. Speedway LLC is a convenience store and gas station chain based in Enon, Ohio. It is a subsidiary of the Marathon Petroleum Corporation. Speedway gas stations have been ranked as one of the top ten gas station chains in the United States by Consumer Reports. They offer a variety of gasoline options, including regular, mid-grade, and premium fuel, as well as diesel. Some Speedway gas stations also offer alternative fuels such as E85 and Compressed Natural Gas (CNG). The quality of the gasoline provided by Speedway has also been rated very positively by many customers.