What are the problems in developing hybrid cars and would they help the environment?

The maximum number of marks for is 100.
The essay should contain 1000 ± 10% words, not including diagrams and tables.
A good essay will demonstrate the following characteristics. The maximum marks available for each section are given in brackets.
Introduction (20 marks)
 This forms a focussed and purposeful backbone to the essay
 Clear, detailed specific aims are provided
 Relevant and informed background provides a clear context to the essay
Main Body (40 marks)
 Discussion is developed and sustained logically over the entire answer
 This is well thought out, relevant and complete
 Information is obtained from a wide range of mainly academic sources
 There is an accurate and thorough critical analysis of material
 The work displays a very good understanding of the subject
Conclusion (20 marks)
 A concise summary of the essay relating consistently to its aims
 Future perspective is considered and is relevant
References and Style (20 marks)
 The essay should be appropriately structured with headings and subheadings.
 The report should not contain grammar or spelling errors
 A good academic style of writing should be used
 References should be cited correctly and a reference list provided.