Instructions: You are given a sentence in Portuguese. Your job is to translate the Portuguese sentence into English.
Input: Para termos mobilidade sem petróleo, para descontinuarmos o petróleo, podemos tornar-nos eficientes e depois trocar de combustíveis.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
So to get mobility without oil, to phase out the oil, we can get efficient and then switch fuels.