What are the differences between gasoline octane ratings?

Gasoline is produced by refining various gasoline components, such as straight-run gasoline, catalytic cracking gasoline, and catalytic reforming gasoline, and then blending them with high-octane components. It is primarily used as fuel for spark-ignition internal combustion engines in automobiles. The density of gasoline may vary slightly depending on seasonal climate.

A Roundup of Commonly Used Car Accessories

Common car accessories include floor mats, seat covers, steering wheel covers, air fresheners, anti-theft devices (gear locks), reversing radars, and explosion-proof films; high-end car accessories also include leather seats, audio systems, wood trim, sunroofs, satellite navigation systems, and airbags.