Diesel engines are finicky eaters. At the slightest hint of fuel-borne water, air or contaminants, their spirits droop, leaving drivers with less performance and lower fuel mileage. Obviously, the ...

For the sake of argument, let's say you're building a 700-hp street car. What would the perfect fuel system be if you could have anything you wanted? At the top of our wish list would be easy to ...

Your fuel lines are a network of tubes and hoses that bring gas or diesel from your fuel tank and fuel pump to the fuel injectors in your engine. They don’t last forever, though, and you can usually ...