Everyone from Nostradamus to the Department of Energy predicts that internal combustion engines will provide primary propulsion for the majority of the vehicle fleet for a few more decades. But it's ...

American gas usually ranges from the high 80s to the mid 90s in octane rating, and yet gas in Europe can be 4-6 octane higher. Why the discrepancy?

Want to get into a heated argument? Try explaining to the public why unleaded is a nickel per gallon higher than regular or how regular and premium have changed in the last few years. Then clarify how ...

In a move to end an "octane war" among petroleum companies and cut unnecessary usage of high-octane gasoline in the kingdom, Thailand will impose new octane standards for all types of gasoline ...

The government has mandated the sale of petrol with up to 20% ethanol and a minimum Research Octane Number (RON) of 95 across all States and Union Territories from April 1, 2026. The oil ministry in a ...