TABLE OF CONTENTS Content Type ...............................................................................................................................................1 End of Chapter Review Questions............................................................................................................1 ASE-Style Questions ................................................................................................................................3 CONTENT TYPE END OF CHAPTER REVIEW QUESTIONS 1. True or False: Harmful auto emissions come primarily from three sources: crankcase gases, tailpipe emissions, and fuel vapors. a. True b. False Answer: a Heading: EPA and Emission Control 2. OBD 2 was mandated in ______________. a. 1990 b. 2001 c. 2012 d. 1996 Answer: d Heading: EPA and Emission Control 3. True or False: Variable valve timing was created to reduce emissions and improve fuel economy. a. True b. False Answer: a Heading: EPA and Emission Contro