You know the usual reasons to drive the speed limit (it’s safer and you’ll avoid a pricey ticket!), but it can also significantly improve your car’s efficiency. The more you push the accelerator pedal ...

Filling up your gas tank didn’t always require a second mortgage. But since the onset of the war in Iran, global oil prices have soared–and we’re the ones paying for it at the gas station. And nobody ...

Your fuel economy is getting worse most commonly from underinflated tyres, a clogged air filter, worn spark plugs, a faulty oxygen sensor, or a change in driving habits. A single underinflated tyre ...

The optimal speed for fuel economy is between 45 and 65 mph (70 to 105 km/h) for most passenger cars. Above 65 mph, aerodynamic drag increases exponentially, and fuel consumption climbs steeply, with ...