Everyone in trucking talks about cost per mile. And yes, it matters. But if that’s the only metric you’re tracking, you’re ...

If we know the distance something has moved and the time it has taken, we can calculate its speed. We can calculate each using the triangle opposite. Speed, distance and time are called variables.

Consumer Reports tells you how accurate distance-to-empty calculators are in modern cars. This information might keep you from running out of gas when driving.