Introduction to Environmental Science Env Sci-102
___________________ 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)
|Year/Cylinders/ transmission||MPG city||MPG Hwy.||
Annual CO2 equivalent
EPA Air Pollution Score (1-10)
Chev T10 4WD
your instructors former chariot
|Chev Colorado 4WD||2006/5/5sp man||18|
Honda Civic Hybrid
|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.
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).