摘要
发动机制造商正致力于从更小型发动机中获得更大动力的方法。这意味着他们可以突破排放常规，并继续为顾客提供他们想要的驾驶性能。要实现这一目标是一项复杂的工程任务，它通常需要一些增压。
Engine manufacturers are concentrating on ways to get more power out of smaller engines. It means they can beat emissions regulations and still give customers the drivability that they want. Getting it right is a complex engineering task that usually requires boosting of some sort.
