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In society, cars are an essential part of life. While most cars use petrol, it is important to note that crude oil supplies are running out and carbon dioxide produced from burning petrol may be contributed to global warming.
Your task: You are to write an article for a popular science magazine with the theme of "sustainable development through chemistry". The focus of your article is whether you think that hydrogen would be a better fuel to use for cars rather than petrol. You need to justify your answer by analysing the advantages and disadvantages for hydrogen fuel compared to petrol.