Introduction to Environmental Science Env Sci-102        Last Name ___________________      First Name _______________
Print this document and answer the following questions using the web sites as noted.
DUE in class Thursday April 27th.  4 points.

Calculate the fuel efficiency, costs, and CO2 emissions of automobiles.   Use the following links and linked web pages: http://www.fueleconomy.gov

1.  Go to Hybrid Vehicles; How Hybrids Work  What are the two types of engines in hybrid vehicles? __________   ___________.

2.  Complete the following table: (click on Find and Compare Cars)

Auto

Year/Cylinders/ transmission MPG city MPG Hwy. Annual CO2 equivalent Emissions (tons)
[GH gases]
EPA Air Pollution Score (1-10)
Wisconsin area
Toyota Camry 2006/4/auto    
Chev T10 4WD
your instructors former chariot
1988/6/5sp man 18    
Chev Colorado 4WD 2006/5/5sp man 18    

Honda Civic Hybrid

2006/4/auto    
Volkswagon New Beetle 2005/4/5sp man, 1.9 L diesel 38
Dodge Durango 4WD 2005/8/5.7 L auto (4) 13    
Ford Escape 4WD 2006/4/auto (hybrid) 33      
Complete info for your vehicle below using customize fuel assumptions (not graded).

Your assumptions here: (assume _______ mi/yr, __  % city, __  % highway, $_____  per gal)

         

Since 1988 has fuel efficiency of Chevrolet small (T10/S10) 4WD tucks improved much?   _______________

Does a New Beetle have better MPG than the Durango? __________ 
Does Beetle (diesel)  produce significantly less AIR pollution (excluding GH gases)? ________

3.  Go to the American Council for an Energy-Efficient Economy Green Car Website.   http://www.greenercars.com/bestof.html
Why are some SUVs (e.g., Hummer H2 or Ford Excursion) fuel efficiency not listed in the EPA Fuel Economy list?  Look in the third paragraph of section on: Learn why some light trucks score so poorly (link is in box on the website).  

 

 

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