The next time you pull into a gas station, you might think fuel efficiency is just about the size of your engine or how fast ...

Modern vehicles are expensive, and it’s not just the gigantic figure on the window sticker that hurts. You have to consider ...

Navistar, Inc. said Monday that it will offer the Allison Transmission FuelSense fuel-efficiency package on its medium-duty and vocational International truck models. FuelSense, available in Allison’s ...

The volatility of gas prices in recent years means shopping for a fuel-efficient vehicle now can lead to significant savings at the pump down the road. Of course, if you want to avoid the pump ...