Automatic engine stop‑start was sold as a painless way to cut emissions and fuel bills, a tiny software trick that would shut ...

An automatic start-stop system in vehicles is known by many names: Some call it a "stop-start," others "S&S," and others a "micro-hybrid technology." But whatever you call it, it's a common feature in ...

Many new cars come with automatic engine start-stop. These systems are designed to save the fuel wasted at idle by turning the engine off when you come to a stop. These systems are becoming more and ...

To most of us, emission control systems are some sort of "black art" devices that have been forced upon us to rob performance and ruin gas mileage, but that's really not the whole story. Air pollution ...

The practice of "puffing" a vehicle in cold weather might seem harmless, but there could be consequences.

Volvo Trucks has introduced a new generation of its I-Roll technology. The upgrades adds new engine stop/start functionality. Volvo said the technology is a world first in the heavy-duty truck ...