二甲醚（DME）是一种优秀的压缩点火（CI）发动机替代燃料，它可以减少对化石燃料的依赖，并在排放最少的情况下提高CI发动机的性能。DME的物理和化学性质与矿物柴油有显著差异。DME较低的粘度和润滑性会导致燃料泄漏频繁和发动机磨损增加等问题。了解空气 ...

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 ...

Although Chevrolet developed a V8 engine as early as 1917, the company really made its mark with the small block V8 in 1955. Just three years later the automaker introduced the powerful 348 ci engine ...

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 ...