1。我们使用的汽油越少，投入到空气中的二氧化碳就会越少

1.the petrol we use less,the carbon dioxide less in atmosphere.
2.those things can avoid earth to be warm and cost less and advantage of safety circumstance for future.
3.unfortunately that plane is much more than other vehicles produced carbon dioxide.

1.We use less gasoline, into carbon dioxide in the air will be less
2. These measures will help curb global warming, and save money for the future with the creation of a secure environment
3.Unfortunately, the aircraft than any other public transport carbon dioxide produced much more

1 The less we use the petrol, the less carbon dioxide will be discharge to the air.
2 These measures can help to protect the earth from being warm, saving money and creating a safe environment in the future at same time.
3 Unfortunately, plane discharge much more carbon dioxide than any other transport.