translation.en: What we've targeted for ourselves -- and we're making great progress for this goal -- is to have a propulsion system based on hydrogen and fuel cells, designed and validated, that can go head-to-head with the internal combustion engine -- and do it in terms of its affordability, add skill volumes, its performance and its durability.
translation.zh: 对于我们目标的实现 正在进展中并且不断得到改进 这个目标就是制造一个以氢燃料电池为基础的 推进系统 经过设计及验证后 这个推进系统将能与内燃机媲美 我们打算淘汰内燃机 在提高可购性 增加技能卷，提高性能和耐用性方面努力