Prior to joining TopSpeed, John held senior editorial positions at Autoblog and Winding Road, with his work also appearing on Motor1, Hagerty, Carsfancy, Autoline After Hours, and other outlets. John ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

Gasoline fumes contain a variety of hydrocarbons that constantly evaporate from the engine and fuel tank into the atmosphere. If the fuel is in the atmosphere, it can cause pollution, even if the ...

The decision to race with gasoline or alcohol will be a significant determining factor in selecting the pump, filter and fuel line. If alcohol is the fuel of choice, remember it requires roughly twice ...

The fuel system business is booming. Aftermarket pumps, regulators, lines, fittings, tanks, injectors, fuel rails—even entire how-to books—revolve around the task of delivering more fuel to an engine.