If you chose a diesel pickup over a gas-driven one, then you're already ahead of the game when it comes to fuel economy. According to the Department of Energy, diesel vehicles can be 30-35% more ...
Engines need a perfect ratio of air to fuel for optimal combustion, and too much of either comes with its own set of ...
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 ...