Sijhawm Nyeem Ntawv: 4 feeb Rail thauj yog lub feem ntau ib puag ncig-phooj ywg txoj kev mus ncig teb chaws. Lub tsev cog khoom nyhuv ntawm cov roj emissions ib kilometer rau railway thauj yog 80% tsawg tshaj li lub tsheb. Nyob rau hauv tej lub teb chaws, tsawg tshaj li 3% ntawm tag nrho cov thauj roj emissions los ntawm tsheb ciav hlau. Cov hauv kev tsuas yog tsim kev tiv thaiv ib puag ncig…