Guest Post by Eric Peters
High-octane fuel isn’t for every engine.
Some engines need it – but others do not.
Millions of other engines.
Feeding those engines high-octane fuel is a money-waster. High-octane “premium” fuel (which isn’t necessarily of higher quality, just higher octane; more about this in a moment) generally costs about 30-50 cents or more per gallon. If your car’s engine doesn’t require it, you’re spending several dollars more for every tankful – which can amount to several hundred dollars annually – and several thousand dollars over the 10-15 year lifespan of a new car. 
It’s also a power and mileage waster in cars that don’t need it. Many people do not grok this, but an engine not designed to burn high-octane fuel actually runs better (more efficiently) on lower octane fuel.
Because the fuel burns at the right moment. Not too soon – or too late.
Continue reading “Those High Octane Ethanol Mandated Blues”
