2 ms·
Even the us high speed rail Association claims efficiency only up to ~1000 mile trips, and this is their own best case marketing claims. And they're fighting fo
by beerandt 7y ago
Even the us high speed rail Association claims efficiency only up to ~1000 mile trips, and this is their own best case marketing claims. And they're fighting for the sub 125mph version using existing ROW.
http://www.ushsr.com/hsr/completesystem.html http://www.ushsr.com/hsr/completesystem.html
This paper shows only about a 3% to 20% improvement in co2 per passenger mile by shifting air traffic to already existing hsr in Europe (200-800km trips, taking into account embedded energy, and assuming %50 will be recyclable, which I think is quite optimistic)
https://doi.org/10.1155/2018/6205714 https://doi.org/10.1155/2018/6205714