However, not all innovations are equal and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

Based on customer feedback and its own research findings, diesel engine maker Cummins is now allowing customers to use the older API CI-4 grade motor oil in most of its 2007 engines. “Some fleet ...

Maybe we should've had Coast High Performance build us a 7.3 diesel. Our oil-burning F-350 shop truck broke down on the way to pick up the 347. We've always maintained there are worthwhile tuning ...

When General Motors revealed the '06 Corvette Z06's 505hp LS7 V-8 enginelast year, our first question was, "How detuned is it?" After all,despite its 500-plus horses, the latest and greatest 7.0L ...