Gas is an alternative to petrol. One type of gas that is used to power cars is called Liquid Petroleum Gas or LPG. LPG is a good alternative to petrol because it does not need lead to improve its performance. It also gives off less carbon dioxide when it is burnt. However, LPG does contain some other gases. These gases also harm the environment when LPG is burnt. (Page16~17)
I will tell you Powering Cars. It is true that petrol gives many people bad influence. However, the fuel is necessary for Motor Sports. Especially, it is for World Rally Championship, SUPER GT, Indy, F1, etc...
105 words
Brasch, Nicolas. (2007). Powering Cars. South Melbourne: Thomson Learning Australia.
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