CW9:3579
From Environmental Technology
Contents |
Clean Fuels: An Overview
1) What is a common disadvantage of switching to clean fuels for vehicles?
There is a lower vehicle range and performance. There is also a higher vehicle cost.
2) What is the most overwhelming common advantage of switching to clean fuels?
There are lower emissions of ozone-forming hydrocarbons and toxics.
3) Does this article really answer whether clean fuels are feasible?
Somewhat, it talks about higher vehicle and fuel costs. The cost will rise with demand and there will be a limited supply.
Alternative Fuels
4) List the fuels on the Comparison chart by octane rating, from lowest to highest:
8-15 No. 2 Diesel; ~25 Biodiesal; 86-94 Gasoline; 100 Ehanol(E85) and Methanol; 104 Liquified Petroleum Gas(M85); 120+ LNG and CNG; 130+ Hydrogen
5) Which alternative fuel has the most diversity to date for types of vehicles?
CNG
6) Rank all the fuels on the chart by their energy content from highest to lowest:
128,000-130,000 No. 2 Diesel; 109,000-125,000 Gasoline; 117,000-120,000 Biodiesel; ~84,000 Liquified Petroleum Gas; ~80,000 Ethanol (E85); ~73,000 LNG; 56,000-66,000 Methanol (M85); 33,000-38,000 CNG
7) Gaging by the chart, what seems to be the safest fuel?
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?
