What Fuel Efficiency Actually Means for a Driver
Last reviewed: 2026 · Driviology Road Safety Education Team
Quick Answer
Fuel efficiency measures how much distance a vehicle travels for a given amount of fuel, and improving it for a driver mainly means reducing wasted energy through smoother, more anticipatory driving.
Before diving into specific techniques, it helps to understand what fuel efficiency is actually measuring in the first place.
What the Term Measures
Fuel efficiency compares distance travelled to fuel used, meaning a more efficient vehicle or driving style covers more ground on the same amount of fuel.
Where the Waste Comes From
Most avoidable inefficiency comes from wasted energy: hard acceleration, hard braking, and unnecessary idling, all covered in our guide to what affects fuel consumption.
Efficiency as a Driving Mindset
Improving efficiency is less about a single trick and more about a general mindset of anticipation, covered in our guide to efficient driving techniques.