Lucas Oil Fuel Treatments: Which of the Four Formulas Fits Your Engine and Budget

Lucas makes four distinct fuel treatments, and buying the wrong one is easier than it sounds. Here's how to match the right formula to your engine, mileage

Enzyme vs. Chemical Fuel Stabilizers: Which Formula Actually Saves Small Engines

Star Tron's enzyme chemistry and STA-BIL's chemical stabilizers both promise to rescue fuel-starved small engines — but they work in fundamentally different

Diesel Fuel Additives for Daily Drivers: Hot Shot's Secret, Archoil, Stanadyne, and Opti-Lube Compared

Four of the most trusted diesel fuel additives go head-to-head on lubricity, cetane, DPF compatibility, and cost per fill — so you can pick the right one for