You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

A low purchase price is only the start to finding a truly affordable car. Their spectacular fuel economy helps these 10 cars and SUVs keep operating costs in check.

The latest concept is a small four-cylinder running on synthetic fuel that can achieve 71 mpg in an EREV platform.

Short of haggling for the best possible deal at a dealership, one of the best ways to save money is by choosing a very fuel-efficient vehicle. What makes this even better than any one-time savings is ...

Here’s what you’ll learn when you read this story. Geely, a Chinese automaker, is using AI to try and improve the thermal efficiency of its plug-in hybrid system. The AI algorithms used could ...

Despite its buzzy name, CAFE has nothing to do with coffee. However, it has shaped how automakers build cars and how buyers buy them. Many American buyers now prioritize fuel economy over speed or ...

Modern diesel engines are the right blend between performance and efficiency, but you might have wondered why diesels have not been used in sports cars over the years. A sports car can benefit from ...