If all goes well, these could be in the air by 2028. Anders Forslund, Heart's boss, reckons that by 2050 all routes up to 1,500km could be served by electric planes.
如果一切顺利, 到 2028 年这些飞机可能会在空中飞行。Heart 的老板 Anders Forslund 估计, 到 2050 年, 所有长达 1,500 公里的航线都可以由电动飞机提供服务。