1.  What factors are contributing to some trucking companies' decision to switch to natural gas powered trucks? (see para. 1, 4-5, 7)

2.  How has the rising price of diesel fuel used by trucks affected consumers?

3.  What concerns do long-haul truckers have with switching to natural gas?

4.  How is one of these concerns addressed by a recent EPA ruling?

5.  a) How does the density of natural gas negatively affect its use by long-haul truckers?
b)  Will the EPA ruling affect this drawback?  Explain your answer.

6.  What percent of vehicles on U.S. roads are powered by natural gas today?

7.  Consider the pros and cons of switching to natural gas fuel vehicles.  Also, re-read paragraph 10.  Do you think switching to natural gas is a good idea for long-haul truckers?  and/or other vehicles that are used in cities or for local driving? Explain your answer.

NOTE:  "Answers by Email" has ended for the summer--daily news postings will end June 8th -- have a great summer!