Research findings released today show that mid-range ethanol blends--fuel mixtures with more ethanol than E10 but less than E85--can in some cases provide better fuel economy than regular unleaded ...

Ethanol fuel, often lauded for its environmental benefits, has become a common additive in gasoline. However, its impact on older engines and systems is a topic of concern for many vehicle owners.

Imagine for a moment that you're the quintessential hands-on hobbyist. You've noticed that your Pontiac hasn't run its best as of late and all indications point to its Rochester Quadrajet as the ...