Could we sustainably prevent bad weather simply by encouraging the Earth's 7 billion people to drive 3.5 billion cooking-oil-fueled Mercedes school buses around the world?

Couple travel around the world on waste cooking oil

A couple has travelled around the world in a 22-year-old Mercedes school bus by using waste cooking oil for fuel.
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He converted the bus to run on waste cooking oil and installed a filtering system and a 1,200-litre tank under the bed before setting off in September 2009 determined to prove what can be achieved with people’s rubbish.
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And despite being arrested and facing jail time in India, Pag and Ammon say they had a fantastic time travelling around the globe.

After travelling through Europe and Africa, the couple plan to tour schools and businesses across Britain early next year to give talks about the lessons they have learned about climate change and carbon reduction efforts.