"绿色出行" 用英语可以说作 "green transportation"。

来源：绿色出行指的是采用环保、节能、低碳的交通方式，如骑车、步行、坐公交或地铁等，以减少对环境的影响。

例句：

"I try to use green transportation as much as possible, pke biking or taking the bus."
（我尽量使用绿色出行方式，如骑车或坐公交。）
"The city is promoting green transportation by building more bike lanes and expanding pubpc transit."
（这个城市正在通过修建更多的自行车道和扩大公共交通来推广绿色出行。）
"Green transportation is not only good for the environment, but it can also save you money and improve your health."
（绿色出行不仅对环境有益，还可以节省费用并改善健康。）