Register with GEF for FREE to enjoy these great benefits! 

    • member only contests and raffles

    • sustainability program news and updates

    • significant discounts at GEF Institute

Note: If you have problems registering, contact This email address is being protected from spambots. You need JavaScript enabled to view it.

JOIN GEF NOW!

Taking a GEF Institute Course? Login by clicking here.

 

 

 

 

 

Join Us

Sign Up for National Green Week!
Please note: Your privacy is very important to GEF. We do not share or sell any of your data.  It is with the sole purpose of providing you with relevant information that GEF will contact you.
Login/SignUp

Welcome to the Sustainability Lesson Clearinghouse

Here, you can find free sustainability lessons to use in your class and upload your own lessons to share. Be sure to rate the lessons you use and leave comments for your colleagues!

All of GEF's lessons and programs are offered at no cost.  Become a member to support GEF and enjoy member only benefits! 
Join button_03

Professional Development

GEFinstitute LOGO_WEB GEF Institute offers affordable, online sustainability courses eligible for professional development or academic credit.
Give your resume a boost!

Sponsor a Teacher

Support educators in your community by helping them earn a Certificate in Sustainability or take an online course. Find out more about sponsorship!
Sustainability Lesson Clearinghouse

Hybrid Vehicles Cut Pollution

Lesson Description:
This lesson plan provides three separate activities helping students to better understand the advantages to hybrid vehicles.

By the end of this module, students will:
  • Know the definitions of internal combustion engine, hybrid electric vehicle, emissions, and pollution.
  • Be able to calculate the percentage reduction in emissions achieved by a hybrid electric vehicle.
  • Be able to calculate the increase in fuel mileage, or the decrease in fuel consumption, for a hybrid electric vehicle.
  • Be able to calculate the payback period for purchase of a hybrid electric vehicle.
  • Understand the difference between a part-to-part ratio, a part-to-whole ratio, and a rate.
  • Be able to set up and solve proportions using rates and ratios.
  • Be able to set up and solve percentages as proportions.
  • Be able to describe a linear relationship in terms of rate and starting point, using a graph, a table or an equation.
  • Be able to find the y-intercept and the x-intercept of a linear relationship, using a graph, a table or an equation.

Lesson Type:
  • Discussion
  • Other

Sustainability Topic:
  • Climate Change
  • Other

GEF Program Category:
  • I Ride Green

Time Needed:
3-5 classes
School or Group:
US Department of Energy
Contact Email:
service@greeneducationfoundation.org
Located in: Science | Language Arts

The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools