Jon Dillaman

English 102

Exercise 4.1

9/20/11

Research Question

What is the comparison of diesel vs. gasoline burning automobiles driven in different countries and what effect has it had on its environment?

Why do car manufactures offer clean burning diesel engines in different countries besides the United States?

Have car manufactures researched the effectiveness of a clean burning diesel hybrid and its efficiency?

Who mandates how efficient cars are and why do we not have stricter regulations?

Why has the cost of diesel at the pump, risen higher than the cost of gasoline when it requires less refining?

Keywords and Keyword Combinations I am Using to Search

Clean burning diesel	Diesel hybrid	Diesel fuel manufacturing process
Diesel engine environmental issues	Human body digesting Diesel exhaust fumes	Clean burning diesel education efforts
Diesel vs. gasoline mpg comparison

Hypothesis

The United States would benefit from requiring US car manufactures to produce automobiles with clean burning diesels.