Reducing the environmental effects by suing hybrid vehcles

Paper instructions:

the purpose statement that you have to follow is This study will investigate and indicate the environmental effects of hybrid vehicles and how they can reduce the emissions mainly caused by the usage of gasoline cars.

the outline is depend on you but you have to make it like this style:
*introduction
*background
*anything
*Other thing
*Reconciliation
*conclusion
at least one of the part has to be three level outline.