另类混合 动力概念——丰田Prius也许是迄今为止最成功的混合动力汽车，然而如果采用不同的途径可能会使传动效率更高

Alternative hybrid concepts——The Toyota Prius may be the most successful hybrid to date, but taking a different approach could produce a more efficient drivetrain

你应该为他们的动力传动系部门而感到遗憾。这些天来他们所面临的压力超乎想象，连F1赛车准备工作都相形见绌。一方面排放法规要求现有的发动机必须减少污染。另二方面，生产计划人员又要求中期的解决方案。

You have to feel sorry for powertrain departments. The pressure on them these days makes working in formula one seem comparatively laid back. Emissions regulations mean that existing engines have to be cleaned up. At the same time, product planners are demanding solutions for the mid-term.