Why More Americans Are Choosing Premium Gas-and Why It’s So Expensive
Premium gasoline is more expensive than regular fuel because it possesses a higher octane rating, which prevents “engine knocking” or premature combustion in high-compression and turbocharged engines. While regular unleaded gasoline typically carries an octane rating of 87, premium grades range from 91 to 93, providing the stability required for high-performance vehicles to operate without … Read more