Every fleet strives to achieve two things when it comes to engines. The first is to maintain efficiency in order to reduce operating and service costs. The other is to ensure the longest possible ...

As record-high fuel costs threaten to annihilate even the most thoughtfully planned budgets, many fleets look for ways to reduce fuel consumption or cut other costs to compensate. Reducing idling does ...

Fuel prices have been soaring for a while, and diesel is often more expensive than gasoline. So how can you get better fuel economy from your diesel vehicle?

As one of the world’s largest suppliers of aircraft engines, systems and services, GE Aerospace continues to be an industry leader in developing technologies to reduce CO 2 emissions from flight. GE ...

It's no secret that AWD and 4WD vehicles are best for the winter, but when it comes to diesel or gas engines, which is better ...

LEEDS, Alabama—Just how efficient can a fully loaded Class 8 tractor-trailer be? Shell sought to answer that question when designing its Starship 3.0, a Class 8 concept equipped with readily available ...

In the big scheme of things, gas-powered internal-combustion engines aren't all that efficient, as most of what they generate is waste heat. Toyota is believed to offer the most thermally efficient ...