到2020年加利福尼亚将要求所有出售的汽油达到低碳含量标准。
By 2020 California will require all the petrol sold there to meet a low-carbon standard.
在美国，消费者转而购买节能的车辆，乙醇法规和更高节能经济标准的发布，这些都抑制了对汽油的需求。
In America a shift in consumer purchases towards more fuel-efficient vehicles, ethanol mandates and higher fuel-economy standards have all capped growth in petrol demand.
而且加州已经通过了低碳燃料标准，要求石油公司降低他们汽油中的含碳量。
And California has adopted a low-carbon fuel standard that will require oil companies to cut the carbon content of their petrol.
应用推荐