在连续推迟数年之后，美国的新一代高铁列车终于上路了。但尴尬的是，这美国新高铁的时速仅比旧版提升不到20公里，而且运行时间甚至毫无变化， 700公里甚至要跑上七个小时。 对美国铁路客运来说，上周四是一个里程碑时刻：美国新一代高速列车"新一代Acela"(NextGen Acela)终于投入运营，在客运量最大的波士顿-纽约-华盛顿 特区东北走廊线路(NEC)开始载客。 新高速列车投入使用 全新Acela高铁列车每天在波士顿与华盛顿特区之间往返两班，清晨发车，下午1点左右抵达，全程七个小时。从波士顿驶来的新Acela抵达华盛顿特区的 联合车站之后，美国铁路公司(Amtrak)还专门举办了一个活动，庆祝承载着美国高铁未来的新Acela首次载客运营成功。 实际上，此时距离新Acela项目最初宣布，已经过去了整整九年多时间。美国铁路原定2021年投入使用首批新Acela，美国铁路原计划于 2021 年投入首批 新 Acela 使用，但因制造缺陷、线路改造和测试问题多次推迟到现在。 尽管跳票延误多年，但却并没有减弱美国官员们的兴致。美国交通部长肖恩·达菲(Sean Duffy)在活动上激动地宣布："这是我们在东部走廊加速前 ...

Core Insights - The article highlights the significant contributions of Feng Jianghua, the chief scientist of CRRC, in the development of China's high-speed rail technology, showcasing the evolution from the "Zhonghua Star" to the "Fuxing" train series [1][2][3] Group 1: Historical Development - In 1989, Feng Jianghua joined CRRC Zhuzhou Institute, contributing to the development of China's first independently designed high-speed train, "Zhonghua Star," which achieved a record speed of 321.5 km/h [1] - The 2004 approval of the "Medium- and Long-Term Railway Network Plan" by the State Council marked a pivotal moment for high-speed rail development in China, necessitating high-quality trains [2] Group 2: Technological Advancements - Feng Jianghua's team overcame significant challenges in core technologies, leading to the development of the "Harmony" train equipped with domestic power technology, breaking foreign monopolies [2] - The "Fuxing" train, launched in 2017, set a new benchmark in global high-speed rail with a commercial operating speed of 350 km/h [2][3] Group 3: Future Innovations - The CR450 technology innovation project initiated in 2021 aims for higher speed, safety, and sustainability in rail transport, with Feng Jianghua's team focusing on advanced permanent magnet traction technology [3][4] - The upcoming CR450 train, set to be unveiled in December 2024, represents another milestone in China's high-speed rail technology, reinforcing its global leadership [4]