Cw95099

From Environmental Technology

Read Clean fuels: an overview, then answer the following questions.

1) What is a common disadvantage of switching to clean fuels for vehicles? high fuel cost.

2) What is the most overwhelming common advantage of switching to clean fuels? potential for zero emitions.

3) Does this article really answer whether clean fuels are feasible? No it covers a lot of info on the subject but does not really talk about how feasible it is.

Read about alternative fuels at the AFDC. Pay close attention to the section Compare Alternative Fuel Properties, then answer the following questions:

4) List the fuels on the Comparison chart by octane rating, from lowest to highest:hydrogen, lng, cng, lpg, m85 and e85, no. 2 diesel, biodiesel.

5) Which alternative fuel has the most diversity to date for types of vehicles? ethanol.

6) Rank the all the fuels on the chart by their energy content from highest to lowest: #2 diesel, gasoline, biodiesel, m85, cng, lng, e85, lpg.

7) Gaging by the chart, what seems to be the safest fuel? hydrogen.

8) Do you have any way of gaging whether this chart was accurate or not? How would you go about finding out if it is true or not? No, I am not sure... look at more info. about it.