Best Fuel Additives: Maximize Your Fuel Efficiency with These Top Picks

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There's simply no replacement for the real thing. Fuel additives can get you pretty darn close in many cases, though. Not everyone has the means to tear down an engine to clean things up, high-test fuel isn't around every corner, and it's not like the price of gas makes it easy to flush the system anyway. Instead of driving yourself nuts, you can use fuel additives to get the job done. It's not wise to just run off with only that bit of knowledge. You see, we've wandered into the territory of snake oils and magic elixirs. Everyone's got some miracle product you just won't believe. You know, the kind that you try and come to find, the only thing you can't believe is how good someone could be at selling duds. That's what I'm here to help you avoid. There are great fuel additives on the market, and I'll help you find them. 

Does an excellent job of cleaning internal components

Can be used in gas or diesel applications

Replaces lead in older engines

Contains chemicals that can be harmful to the environment

Slight contact with this additive causes skin irritation

Lucas offers a fuel treatment additive that cleans, lubricates, and neutralizes poor quality fuel. It doesn’t contain alcohol or solvents, and is made of heat-resistant oils to maintain its effectiveness during extreme pressure conditions in the engine. As for the formulation, the engine oil features fuel injector cleaners that remove sediments and sludge, which often lead to spark plug misfires. It also contains fuel conditioners that neutralize low sulfur problems in the fuel system. This additive works on both gas and diesel engines, and is known to improve the octane rating of gas. It can also be used on both fuel-injected and carburetor engines, and works well on locomotives, marine, and non-road engines. Since the product keeps your fuel system clean and lubricated, you can expect better fuel economy, lowered emissions, and less wear on the critical engine components.

Unfortunately, the product has a strong formulation with some chemicals that are considered to be harmful to the