McGraw Hill
Glencoe Technology Education: Hybrid Electric Vehicles (He Vs)
What is an HEV and how can they help the environment? Follow this WebQuest and you will be able to answer those questions and more.
BBC
Bbc: Gcse Bitesize: How Has the Earth's Atmosphere Changed Over Time? Ocr 21 C
This lesson focuses on ways to reduce air pollution from power stations and from automobiles. It provides a link to an assessment.
Other
Llnl:this Hybrid Vehicle Uses Hydrogen
Describes hybrid vehicles and their contributions to increasing the efficiency of automobiles. Explains the challenges faced by the design team and shows a nice schematic. From a 1995 article.