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Guidance to Questions on Alternatives to Petrol Fuels

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Need to write a critical review about the attached published article, with respect to the prospects for renewable energy in the transportation sector, can you please help and make it simple as I have read the article over and over again, hopefully about 400 words in total should be enough to answer each point below thanks.

Apologies but this is all I can offer for total credits, unfortunately I have just a part time job and brainmass gives me that opportunity to have things explained a lot more clearer for me to understand, I wish I can offer more but I can't sadly, I ask for 400 words no more, thanks for your support.

Please can you base your review on the following guideline questions:

How have the authors formulated the problem/issue?
Do the authors refer to the work of others that they do not agree with?
What are the key concepts or the main factors or variables discussed?
What are the relationships between these key concepts, factors or variables?
What evidence is lacking, inconclusive, contradictory or too limited?
What, if any, evidence might seem unsatisfactory and why?
In what ways does this article contribute to your understanding of the role of renewables in a sustainable energy system?

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Solution Summary

Guidance for a paper on alternatives to petrol based fuels. Answers posited for questions that should be addressed in the paper along with reasoning behind those answers.

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How have the authors formulated the problem/issue?

In this article, the authors are looking at current demand on petrol and possible alternatives. Several modifications to current vehicles and alternatives to current fuel choices are given. The other problem the authors present is the geographic location of oil in comparison to areas with greatest demand for petrol products. The authors also discuss how current vehicles are energy inefficient as they are made from higher weight materials with less than ideal aerodynamics adding to the drag and current friction issues. The authors also discuss the inefficiencies of the current spark ignition system and how improvements to that system could help the system reach efficiencies close to that of a diesel system. In discussion alternative fuels and energy options--battery based, fuel cell, liquified or compressed natural gas, biofuels, and even combo technology cars--the authors posit the cost prohibitive nature of creating an ...

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